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GovSpeak: A Guide to U.S. Government Acronyms & Abbreviations: N

The most current, extensive and fully-linked listing of U.S. government agency, office, program and publication acronyms.

N

NAAL National Assessment of Adult Literacy
NAALC North American Agreement on Labor Cooperation (older link archive)
NAAMES North Atlantic Aerosols and Marine Ecosystems Study (older link archive)
NAAMP North American Amphibian Monitoring Program (older link archive; archive2)
NAAQS National Ambient Air Quality Standards (older link archive)
NABat North American Bat Monitoring Program (older link archive)
NABEC Native American Business Enterprise Center (unable to verify 3/19)
NABMRR National Advisory Board on Medical Rehabilitation Research (older link archive)
NAC NASA Advisory Council | National Advisory Committee, EPA | National Agroforestry Center (older link archive; archive2) | National Audiovisual Center (unable to verify 2/22)
NACCD National Advisory Committee on Children and Disasters (older link archive)
NACCH National Assessment of Coastal Change Hazards (older link archive; archive2; archive3; archive4; archive5)
NACD Native American Consultation Database (discontinued 2/18)
NACEM North American Climate Extremes Monitoring (unable to verify 6/21)
NACEPT National Advisory Council for Environmental Policy and Technology (unable to verify 12/19)
NACHHD National Advisory Child Health and Human Development Council (older link archive)
NACIC National Counterintelligence Center (merged into ONCIX, then into NCSC)
NACIDD National Advisory Committee on Individuals with Disabilities and Disasters
NACIE National Advisory Council on Indian Education | National Advisory Council on Innovation and Entrepreneurship
NACIQI National Advisory Committee on Institutional Quality and Integrity
NACMH National Advisory Council on Migrant Health
NACO Name Authority Cooperative Program
NACOSH National Advisory Committee on Occupational Safety & Health (older link archive)
NACS National Agricultural Classification Survey | Nuclear and Chemical Sciences Division (older link archive)
NACSD National Advisory Committee on Seniors and Disasters (older link archive)
NACTEP Native American-Career and Technical Education Program
NAD National Address Database (older link archive; archive2) | National Appeals Division
NADC National Animal Disease Center
NADM North American Drought Monitor
NADRC National Alzheimer’s and Dementia Resource Center
NAEP National Assessment of Educational Progress
NAETC Native American Employment and Training Council (older link archive; archive2)
NAFDS National Agriculture and Food Defense Strategy (older link archive; archive2; archive3)
NAFRI National Advanced Fire and Resource Institute
NAFTA North American Free Trade Agreement (older link archive; archive2)
NAGB National Assessment Governing Board
NAGP National Animal Germplasm Program (older link archive)
NAGPRA National Native American Graves Protection and Repatriation Act (older link archive)
NAHLN National Animal Health Laboratory Network (older link archive)
NAHMS National Animal Health Monitoring System
NAHRS National Animal Health Reporting System
NAI NASA Astrobiology Institute (unable to verify 10/20)
NAICS North American Industry Classification System (older link archive)
NAIP National Adult Immunization Plan | National Agriculture Imagery Program (older link archive)
NAIRRTF National AI Research Resource Task Force
NAL National Agricultural Library (older link archive) | Native American Language program
NALDC National Agricultural Library Digital Collections (older link archive)
NAMCS National Ambulatory Medical Care Survey (older link archive)
NAMRS National Adult Maltreatment Reporting System
NamUs National Missing and Unidentified Persons System (older link archive)
NANC North American Numbering Council
NAO National Applications Office (defunct) | North Atlantic Oscillation
NAP National Action Plan for Open Government | National Action Plan to Combat Human Trafficking | Noninsured Crop Disaster Assistance Program
NAPAP National Acid Precipitation Assessment Program (unable to verify 8/18)
NAPCS North American Product Classification System (older link archive)
NARA National Archives and Records Administration
NAREL National Analytical Radiation Environmental Laboratory
NARMS National Antimicrobial Resistance Monitoring System for Enteric Bacteria (older link archive)
NARR North American Regional Reanalysis (older link archive)
NARS National Aquatic Resource Surveys
NAS Nonindigenous Aquatic Species
NASA National Aeronautics and Space Administration
NASCTN National Advanced Spectrum and Communications Test Network
NASIS National Soil Information System
NASM National Air and Space Museum
NASNTI Native American-Serving Nontribal Institutions Program
NASS National Agricultural Statistics Service | National Automotive Sampling System (older link archive ) | Nationwide Ambulatory Surgery Sample
NATA National Air Toxics Assessment
NATCARB National Carbon Sequestration Database and Geographic Information System (older link archive)
NATO North Atlantic Treaty Organisation (older link archive)
NATTS National Air Toxics Trends Stations
NAVCEN Navigation Center
NAWQA National Water-Quality Assessment Program (older link archive; archive2)
NAWQA NLC National Water-Quality Assessment Program National Liaison Committee
NAWS National Agricultural Workers Survey (older link archive; archive2)
NBAC National Bioethics Advisory Commission (replaced by PCBE, then PCSBI)
NBACC National Biodefense Analysis and Countermeasures Center
NBAF National Bio and Agro-Defense Facility
NBB Nutritional Biomarkers Branch
NBC National Business Center (changed to IBC)
NBCCEDP National Breast and Cervical Cancer Early Detection Program
NBCS Navajo Birth Cohort Study
NBCUS National Blood Collection and Utilization Survey
NBD-PWG NIST Big Data Public Working Group
NBEOC National Business Emergency Operations Center
NBFAC National Bioforensic Analysis Center (merged into NBACC)
NBHQF National Behavioral Health Quality Framework (unable to verify 3/19; older link archive)
NBI National Bridge Inventory
NBIB National Background Investigations Bureau (merged into DCSA)
NBIC National Biosurveillance Integration Center (content archived 12/17)
NBII National Biological Information Infrastructure (defunct as of 1/12)
NBIS National Bridge Inspection Standards
NBL New Brunswick Laboratory Program Office (older link archive; archive2)
NBM National Broadband Map (discontinued 12/18; older link archive; replaced by Fixed Broadband Deployment map)
NBO NOAA Budget Office (older link archive; archive2)
NBPI Northern Border Prosecution Initiative (unable to verify 5/18)
NBR National Bison Range (older link archive)
NBRC Northern Border Regional Commission
NBS National Beneficiary Survey
NBSB National Biodefense Science Board (changed to NPRSB; reverted back to NBSB; older link archive)
NBSDB National Building Stone Database
NBTCC National Biological Threat Characterization Center (merged into NBACC)
NBTS New Beginning for Tribal Students
NCA National Cemetery Administration | National Climate Assessment
NCA4 Fourth National Climate Assessment
NCACA National Capital Arts and Cultural Affairs
NCADAC National Climate Assessment & Development Advisory Committee
NCAE-C National Centers of Academic Excellence in Cybersecurity
NCAH National Centers for Animal Health
NCAI NOAA Center for Artificial Intelligence
NCANDS National Child Abuse and Neglect Data System
NCAP New Car Assessment Program (older link archive)
NCAR National Center for Atmospheric Research (older link archive)
NCASC National Climate Adaptation Science Center (older link archive; archive2; archive3)
NCASE National Center on Afterschool and Summer Enrichment
NCATS National Center for Advancing Translational Sciences
NCAUR National Center for Agricultural Utilization Research
NCAVC National Center for the Analysis of Violent Crime
NCBDDD National Center on Birth Defects and Developmental Disabilities (older link archive)
NCBI National Center for Biotechnology Information
NCC National Combined Councils | National Coordinating Center for Communications
NCCA National Coastal Condition Assessment
NCCAD National Counter-Improvised Explosive Device (IED) Capabilities Analysis Database (older link archive)
NCCAM National Center for Complementary and Alternative Medicine (changed to NCCIH)
NC CASC North Central Climate Adaptation Science Center (older link archive; archive2; archive3)
NCCC National Civilian Community Corps (older link archive; archive2)
NCCCP National Comprehensive Cancer Control Program
NCCDPHP National Center for Chronic Disease Prevention and Health Promotion (older link archive)
NCCI National Correct Coding Initiative (older link archive; archive2)
NCCIC National Child Care Information and Technical Assistance Center (defunct as of 8/11) | National Cybersecurity and Communications Integration Center (unable to verify 6/19; possibly changed to CISA Central)
NCCIES National Climate Change Interpretation and Education Strategy
NCCIH National Center for Complementary and Integrative Health
NCCOE National Cybersecurity Center of Excellence
NCCOS National Centers for Coastal Ocean Science
NCCR National Coastal Condition Reports
NCCS National Center for Computational Sciences (changed to OLCF)
NC CSC North Central Climate Science Center (changed to NC CASC)
NCCT National Center for Computational Toxicology (changed to CCTE)
NCCV National Climate Change Viewer (older link archive; archive2; archive3)
NCCWSC National Climate Change and Wildlife Science Center (changed to NCASC)
NCD National Council on Disability | Noncommunicable Diseases
NCDC National Climatic Data Center (merged into NCEI)
NCDDC National Coastal Data Development Center (merged into NCEI)
NCDF National Center for Disaster Fraud
NCDRST NIOSH Center for Direct Reading and Sensor Technologies
NCEA National Center for Environmental Assessment (unable to verify 12/19) | National Center on Elder Abuse
NCEAI National Council for Expanding American Innovation (changed to CI2)
NCEC National Climate Extremes Committee
NCECDTL National Center on Early Childhood Development, Teaching, and Learning
NCECR John S. McCain III National Center for Environmental Conflict Resolution
NCEE National Center for Education Evaluation and Regional Assistance | National Center for Environmental Economics
NCEH National Center for Environmental Health
NCEHC National Center for Ethics in Health Care
NCEI National Centers for Environmental Information
NCELA National Clearinghouse for English Language Acquisition
NCEM National Center for Electron Microscopy (older link archive)
NCEP National Centers for Environmental Prediction (older link archive) | National Cholesterol Education Program (unable to verify 10/14)
NCEPCR National Center for Excellence in Primary Care Research
NCER National Center for Education Research | National Center for Environmental Research (unable to verify 12/19)
NCES National Center for Education Statistics
NCET National Cryptocurrency Enforcement Team
NCETR National Center for Explosives Training and Research (older link archive; archive2)
NCEZID National Center for Emerging and Zoonotic Infectious Diseases
NCFI National Computer Forensics Institute (older link archive)
NCFO National Census of Ferry Operators (older link archive; archive2)
NCFS National Commission on Forensic Science (defunct; older link archive)
NCFY National Clearinghouse on Families & Youth (changed to NCHYF; older link archive)
NCGMP National Cooperative Geologic Mapping Program (older link archive; archive2)
NCHBHS National Center on Health, Behavioral Health, and Safety
NCHE National Center for Homeless Education
NCHHSTP National Center for HIV, Viral Hepatitis, STD, and TB Prevention (changed from National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention)
NCHIP National Criminal History Improvement Program (older link archive)
NCHM National Center for Health Marketing (changed to Health Communication and Social Marketing)
NCHS National Center for Health Statistics
NCHSTP National Center for HIV, STD, and TB Prevention (changed to NCHHSTP)
NCHWA National Center for Health Workforce Analysis (older link archive; archive2)
NCHYF National Clearinghouse on Homeless Youth and Families
NCI National Cancer Institute
NCIC National Crime Information Center
NCID National Center for Infectious Diseases (defunct; absorbed by NCHHSTP, NCIRD, NCPDCID, and NCZVED) |
National Court Interpreter Database
NCIPC National Center for Injury Prevention and Control (older link archive)
NCIRC National Criminal Intelligence Resource Center (older link archive)
NCIRD National Center for Immunization and Respiratory Diseases
NCIRP National Cyber Incident Response Plan
NCIX Office of the National Counterintelligence Executive (merged with NCSC)
NCJRS National Criminal Justice Reference Service (older link archive)
NCLB No Child Left Behind
NCLIS National Commission on Libraries and Information Science (defunct as of 3/08)
NCMAS National Commission on Military Aviation Safety (unable to verify 10/21)
NCMHD National Center on Minority Health and Health Disparities (changed to NIMHD)
NCMRR National Center for Medical Rehabilitation Research
NCMVS NIOSH Center for Motor Vehicle Safety (changed to CMVS)
NCN NOAA Continuously Operating Reference Stations Network
NCNR NIST Center for Neutron Research (older link archive)
NCO NCEP Central Operations
NCOA National Change of Address
NCOD National Contaminant Occurrence Database (older link archive; archive2)
NCORP NCI Community Oncology Research Program
NCP Nat'l Center for Health Promotion & Disease Prevention | Nat'l Oil & Hazardous Substances Pollution Contingency Plan
NCPAW National Center for Productive Aging and Work
NCPC National Capital Planning Commission | National Counterproliferation Center (older link archive)
NCPDCID National Center for Preparedness, Detection, and Control of Infectious Diseases (merged into NCEZID)
NCPFCE National Center on Parent, Family, and Community Engagement
NCPHI National Center for Public Health Informatics (changed to PHITPO, then PHSIPO)
NCPPCC National Crime Prevention and Privacy Compact Council
NCPS National Center for Patient Safety | National Cybersecurity Protection System
NCPTSD National Center for Posttraumatic Stress Disorder (changed to PTSD)
NCPTT National Center for Preservation Technology and Training (older link archive)
NCPV National Center for Photovoltaics
NCPW National Consumer Protection Week (older link archive)
NCR National Capital Region
NCRA NCI Council of Research Advocates
NCRAR National Center for Rehabilitative Auditory Research
NCRC National Climate-Computing Research Center | Office of National Capital Region Coordination (older link archive; archive2)
NCRDS National Coal Resources Data System (older link archive; archive2; archive3)
NCRFO National Center for Radiation Field Operations
NCRL NOAA Central and Regional Libraries
NCRMP National Coral Reef Monitoring Program
NCRN NSF-Census Research Network
NCRP National Corrections Reporting Program (older link archive)
NCRPIS North Central Regional Plant Introduction Station
NCRR National Center for Research Resources (defunct; see org. history)
NCS National Children's Study (older link archive) | National Clandestine Service (unable to verify 1/21) | National Communications System (changed to OEC) | National Compensation Survey
NCSA National Center for Statistics and Analysis (older link archive; archive2; archive3)
NCSC National Counterintelligence and Security Center (older link archive)
NCSD National Cyber Security Division (unable to verify 12/13)
NCSER National Center for Space Exploration Research (defunct) | National Center for Special Education Research
NCSES National Center for Science and Engineering Statistics (older link archive)
NCSIA National Center on Subsidy Innovation and Accountability
NCSS National Computer Security Survey | National Cooperative Soil Survey
NCSSLE National Center on Safe Supportive Learning Environments
NCS-X National Crime Statistics Exchange (older link archive)
NCTC National Conservation Training Center (older link archive) | National Counterterrorism Center (older link archive)
NCTECD National Center on Tribal Early Childhood Development (changed to Tribal Child Care Capacity Building Center)
NCTIC National Center for Trauma-Informed Care (unable to verify 3/19)
NCTR National Center for Toxicological Research (older link archive) | NOAA Center for Tsunami Research
NCTSI National Child Traumatic Stress Initiative
NCUA National Credit Union Administration
NCVAS National Center for Veterans Analysis and Statistics
NCVHS National Committee on Vital and Health Statistics
NCVRW National Crime Victims' Rights Week (older link archive)
NCVS National Crime Victimization Survey (older link archive)
NCVSP National Census of Victim Service Providers
NCWCP NOAA Center for Weather & Climate Prediction
NCZVED National Center for Zoonotic, Vector-Borne, and Enteric Diseases (merged into NCEZID)
NDA National Institute of Mental Health Data Archive
NDACC Network for the Detection of Atmospheric Composition Change
NDAR National Database for Autism Research (merged into NDA)
NDB NIH Data Book
NDBC National Data Buoy Center
NDC National Declassification Center | National Drug Code Directory (older link archive)
NDCD Nanoscale Device Characterization Division
NDDS Narcotic and Dangerous Drug Section
NDEP National Diabetes Education Program (ceased 2019; older link archive; archive2) | National Digital Elevation Program (unable to verify 9/16)
NDEWS National Drug Early Warning System (older link archive)
N-DEx Law Enforcement National Data Exchange
NDF Office of the Nonproliferation and Disarmament Fund (older link archive; archive2)
NDFD National Digital Forecast Database (older link archive; archive2; archive3)
NDI National Digital Initiatives (unable to verify 8/21)
NDIC National Drug Intelligence Center (defunct as of 6/12)
NDIIPP National Digital Information Infrastructure and Preservation Program (unable to verify 8/21)
NDL Nutrient Data Laboratory (changed to MAFCL; older link archive; archive 2)
NDLP National Digital Library Program
NDMS National Disaster Medical System (older link archive)
NDNH National Directory of New Hires
NDNP National Digital Newspaper Program
NDOP National Digital Orthoimagery Program (unable to verify 9/16)
NDPC National Domestic Preparedness Consortium
NDR National Driver Register
NDRC National Disaster Resilience Competition
NDRF National Disaster Recovery Framework (older link archive)
NDRP National Drought Resilience Partnership
NDRPD National Disaster Recovery Program Database (unable to verify 5/15)
NDS National Defense Strategy
NDSA National Digital Stewardship Alliance (transitioned to non-governmental ndsa.org)
NDSS National Diabetes Surveillance System (changed to USDSS)
NDW National Data Warehouse (older link archive)
NDWAC National Drinking Water Advisory Council
NE Nuclear Engineering Division | Office of Nuclear Energy
NEA Bureau of Near Eastern Affairs (older link archive) | National Endowment for the Arts
NEAC Nuclear Energy Advisory Committee (older link archive)
NEARS National Environmental Assessment Reporting System
NEB Nutritional Epidemiology Branch (changed to MEB)
NEC National Economic Council (older link archive; archive2)
NE CASC Northeast Climate Adaptation Science Center (older link archive; archive2; archive3)
NECP National Emergency Communications Plan (older link archive; archive2)
NE CSC Northeast Climate Science Center (changed to NE CASC)
NED NIH Enterprise Directory
NEDM National Education Data Model (unable to verify 9/16)
NEDSS National Electronic Disease Surveillance System (older link archive)
NEEAC National Environmental Education Advisory Council (older link archive)
NEEDS National Electric Energy Data System (older link archive)
NEEMO NASA Extreme Environment Mission Operations
NEESPI Northern Eurasia Earth Science Partnership Initiative (older link archive)
NEFOP Northeast Fisheries Observer Program (older link archive)
NEFSC Northeast Fisheries Science Center (older link archive)
NEGP National Education Goals Panel (defunct; UNT has archived some material)
NEH National Endowment for the Humanities
NEHRP National Earthquake Hazards Reduction Program
NEI National Emissions Inventory | National Export Initiative (unable to verify 1/20; older link archive) | National Eye Institute
NEIC National Earthquake Information Center (older link archive; archive2) | National Enforcement Investigations Center
NEISS National Electronic Injury Surveillance System (older link archive)
NEJAC National Environmental Justice Advisory Council
NEL Nutrition Evidence Library (changed to NESR; older link archive)
NEMESIS National Exotic Marine and Estuarine Species Information System
NEMI National Environmental Methods Index
NEMSAC National EMS Advisory Council
NEMSIS National Emergency Medical Services Information System
NEO Near-Earth Object Program (defunct as of 4/17; see CNEOS)
NEON National Ecological Observatory Network
NEOWISE Near-Earth Objects Wide-field Infrared Survey Explorer
NEP National Estuary Program | National Exercise Program
NEPA National Environmental Policy Act
NEPAG NASA Electronic Parts Assurance Group
NEPHTN National Environmental Public Health Tracking Network (older link archive)
NEPIS National Environmental Publications Information System (merged into NSCEP)
NEPP NASA Electronic Parts and Packaging
NEQsys Northeast Quantum Systems Center
NERFC Northeast River Forecast Center
NERI National Estuaries Restoration Inventory (unable to verify 2/18)
NERL National Exposure Research Laboratory (unable to verify 12/19)
NERRS National Estuarine Research Reserve System
NERSC National Energy Research Scientific Computing Center
NES Nonemployer Statistics
NESARC-III National Epidemiologic Survey on Alcohol and Related Conditions-III
NESC NASA Engineering and Safety Center
NESD Nonemployer Statistics by Demographics
NESDIS National Environmental Satellite, Data, and Information Service
NESDOCS NESDIS Directives Online Collaboration System (older link archive)
NESHAP National Emission Standards for Hazardous Air Pollutants
NESR Nutrition Evidence Systematic Review
NESS Office of Nuclear Energy, Safety and Security (older link archive; archive2)
NET New Electronic Titles
NETCCN National Emergency Tele Critical Care Network
NETL National Energy Technology Laboratory
NEUP Nuclear Energy University Programs
NEW Native Employment Works
NEWIS NOAA Extreme Weather Information Sheets (older link archive)
NEW VISTAS Neighborhood Enrichment with Vision Involving Services, Treatment, and Supervision (older link archive; archive2)
NEX NASA Earth Exchange (older link archive)
NEXRAD Next Generation Weather Radar (older link archive)
NFA National Fire Academy | Non-Federal Audit Program
NFC National Finance Center
NFCSP National Family Caregiver Support Program (older link archive)
NFD National Fossil Day (older link archive)
NFES National Forum on Education Statistics
NFF National Fingerprint File
NFHL National Flood Hazard Layer (older link archive; archive2; archive3)
NFHP National Fish Habitat Partnership (older link archive)
NFHS National Fish Hatchery System (older link archive)
NFIP National Flood Insurance Program (older link archive)
NFIRS National Fire Incident Reporting System (older link archive)
NFJP National Farmworker Jobs Program (older link archive)
NFLIS National Forensic Laboratory Information System (older link archive; archive2)
NFLSS National Fluids Lease Sale System
NFOP National Fugitive Operations Program (older link archive)
NFPORS National Fire Plan Operations and Reporting System
NFPP National Fish Passage Program (older link archive; archive2)
NFPS National Former Prisoner Survey
NFSR National Fish Strain Registry
NFTTU National Firearms and Tactical Training Unit (changed to OFTP)
NFWPCAS National Fish, Wildlife, and Plants Climate Adaptation Strategy (older link archive)
NGA National Gallery of Art
NGAC National Geospatial Advisory Committee
NGC National Gang Center (older link archive) | National Guideline Clearinghouse (discontinued 7/18; see GAM)
NGCE National Geospatial Center of Excellence
NGDC National Geophysical Data Center (merged into NCEI)
NGEE Arctic Next-Generation Ecoexperiments Arctic
NGEE Tropics Next-Generation Excoexperiments Tropics (older link archive)
NGFR Next Generation First Responder
NGGDPP National Geological and Geophysical Data Preservation Program (older link archive; archive2)
NGI Next Generation Identification
NGIC National Gang Intelligence Center
NGMDB National Geologic Map Database
NGN PS Next Generation Networks Priority Services
NGP National Geospatial Program (older link archive; archive2)
NGRAC National Genetic Resources Advisory Council
NGRL National Germplasm Resources Laboratory
NGRP National Genetic Resources Program
NGS National Geodetic Survey
NGTOC National Geospatial Technical Operations Center (older link archive; archive2)
NGU National Gang Unit (older link archive)
NGWU Natural Gas Weekly Update
NHA National Heritage Area
NHL National Historic Landmarks Program (older link archive)
NHLBI National Heart, Lung and Blood Institute
NHLS National Housing Locator System (unable to verify 2/13)
NHPC National HIV Prevention Conference
NHPI NHIS Native Hawaiian and Pacific Islander National Health Interview Survey
NHPRC National Historical Publications and Records Commission
NHQDR National Healthcare Quality and Disparities Reports
NHQI Nursing Home Quality Initiative (older link archive; archive2)
NHQR National Healthcare Quality Report
NHS National Household Survey
NHSC National Health Service Corps
NHSN National Healthcare Safety Network
NHSR National Health Statistics Reports
NHSRC National Homeland Security Research Center (unable to verify 12/19)
NHSS National HIV Surveillance System | Natural Hazards Support System (replaced by IGEMS)
NHTS National Household Travel Survey
NHTSA National Highway Traffic Safety Administration
NHTTAC National Human Trafficking Training and Technical Assistance Center
NHWP National Healthy Worksite Program (changed to WHP)
NIA National Institute on Aging
NIAAA National Institute on Alcohol Abuse and Alcoholism
NIAC NASA Innovative Advanced Concepts Program | National Infrastructure Advisory Council (older link archive)
NIACS Northern Institute of Applied Climate Science
NIAID National Institute of Allergy and Infectious Diseases
NIAMS National Institute of Arthritis and Musculoskeletal and Skin Diseases
NIBIB National Institute of Biomedical Imaging and Bioengineering
NIBIN National Integrated Ballistic Information Network
NIBRS National Incident-Based Reporting System (older link archive)
NIC National Ice Center (older link archive) | National Information Center (older link archive) | National Institute of Corrections | National Intelligence Council (older link archive; archive2; archive3; archive4)
NICC National Interagency Coordination Center
NICE National Initiative for Cybersecurity Education (older link archive)
NICEATM NTP Interagency Center for the Evaluation of Alternative Toxicological Methods (older link archive)
NICHD National Institute of Child Health and Human Development
NICHSR National Information Center on Health Services Research and Health Care Technology (older link archive)
NICS National Instant Criminal Background Check System
NID National Inventory of Dams
NIDA National Institute on Drug Abuse (older link archive)
NIDB NIH Intramural Database
NIDC National Isotope Development Center (older link archive)
NIDCD National Institute on Deafness and Other Communication Disorders
NIDCR National Institute of Dental and Craniofacial Research
NIDDK National Institute of Diabetes and Digestive and Kidney Disease
NIDILRR National Institute on Disability, Independent Living, and Rehabilitation Research (older link archive; archive2)
NIDIS National Integrated Drought Information System (older link archive)
NIDRR National Institute on Disability and Rehabilitation Research (changed to NIDILRR)
NIEHS National Institute of Environmental Health Sciences
NIEM National Information Exchange Model
NIES National Indian Education Study
NIF National Ignition Facility
NIFA National Institute of Food and Agriculture
NIFC National Interagency Fire Center
NIFL National Institute for Literacy (defunct; some content continued in LINCS)
NIFSI National Integrated Food Safety Initiative
NIFTT National Interagency Fuels, Fire, and Vegetation Technology Transfer (absorbed into WFMRDA FFE 02/14)
NIGC National Indian Gaming Commission
NIGMS National Institute of General Medical Sciences
NIH National Institutes of Health
NIHHIS National Integrated Heat Health Information System (older link archive)
NIIC National Incident Information Center (absorbed into NIFC)
NIICD National Interagency Incident Communications Division (older link archive)
NIJ National Institute of Justice (older link archive)
NIMAC National Inventory and Monitoring Applications Center
NIMH National Institute of Mental Health
NIMHD National Institute on Minority Health and Health Disparities
NIMM National Inventory of Marine Mammals
NIMO National Incident Management Organization
NIMS National Incident Management System (older link archive)
NINDS National Institute of Neurological Disorders and Stroke
NINR National Institute of Nursing Research
NIOCCS NIOSH Industry and Occupation Computerized Coding System (older link archive; archive2)
NIOGEMS National Indian Oil & Gas Evaluation & Management System (older link archive; archive2)
NIOSH National Institute for Occupational Safety and Health
NIP National Immunization Program (changed 6/07 to Vaccines and Immunizations)
NIPA National Income and Product Accounts (older link archive; archive2)
NIPC National Infrastructure Protection Center (merged with IAIP)
NIPP National Infrastructure Protection Plan (older link archive; archive2)
NIRSQ National Institute for Research on Safety and Quality
NIS National Identification Services (unable to verify; likely absorbed by PPQ) | National Immunization Survey (older link archive) | National Inmate Survey | National (Nationwide) Inpatient Sample
NISAR NASA-ISRO SAR Mission
NISC National Invasive Species Council
NISIC National Invasive Species Information Center (older link archive)
NISIMS National Invasive Species Information Management System (retired 4/19; replaced by VMAP)
NISPPAC National Industrial Security Program Policy Advisory Committee
NIST National Institute of Standards and Technology
NIST ARC NIST Alternatives for Resilient Communities
NISTIR National Institute of Standards and Technology Interagency Report (older link archive)
NISVS National Intimate Partner and Sexual Violence Survey (older link archive)
NITAAC NIH Information Technology Acquisition and Assessment Center
NITRD Networking and Information Technology Research and Development
NITTF National Insider Threat Task Force (older link archive)
NITT-TA Now Is The Time Technical Assistance Center (unable to verify 3/19)
NIWQP National Irrigation Water Quality Program (unable to verify 8/17)
NJRP National Judicial Reporting Program
NJTTF National Joint Terrorism Task Force
NKSIP North Korean Serials Databases
NKUDIC National Kidney and Urologic Diseases Information Clearinghouse (unable to verify 5/15)
NLA National Lakes Assessment
NLAE National Laboratory for Agriculture and the Environment
NLB Native Lifestyle Balance
NLCD National Land Cover Database
NLE National Library of Education | National Library of Energy (discontinued; older link archive)
NLG National Leadership Grants for Libraries (changed to NLG-L)
NLG-L National Leadership Grants for Libraries
NLI National Land Imaging Program (older link archive; archive2)
NLIC National Lead Information Center
NLLAP National Lead Laboratory Accreditation Program
NLM National Library of Medicine
NLMS National Longitudinal Mortality Study (older link archive)
NLRB National Labor Relations Board
NLRC National Legal Resource Center (discontinued)
NLS National Library Service for the Blind and Physically Handicapped | National Longitudinal Surveys
NLSI NASA Lunar Science Institute (changed to SSERVI)
NMAfA National Museum of African Art
NMAI National Museum of the American Indian (older link archive)
NMAM NIOSH Manual of Analytical Methods
NMAO NOAA Marine and Aviation Operations (changed to OMAO)
NMB National Mediation Board (older link archive)
NMDB National Mortgage Database
NMFS National Marine Fisheries Service (older link archive)
NMHSS National Mental Health Services Survey (older link archive; archive2)
NMHSUPL National Mental Health and Substance Use Policy Laboratory
NMI NNDSS Modernization Initiative (unable to verify 6/21)
NMIC National Minerals Information Center (older link archive)
NMIO National Maritime Intelligence-Integration Office (older link archive)
NMMR National Mine Map Repository (older link archive)
NMMSS Nuclear Materials Management & Safeguards System (older link archive)
NMNH National Museum of Natural History
NMREC National Maritime Resource and Education Center (unable to verify 7/20; older link archive)
NMVTIS National Motor Vehicle Title Information System (older link archive)
NN National Network | Public Housing Neighborhood Networks Program (older link archive)
NNAS National Nursing Assistant Survey (older link archive)
NNCO National Nanotechnology Coordination Office
NNCP National Name Check Program (older link archive)
NNCSS National Neurological Conditions Surveillance System (older link archive)
NNDSS National Notifiable Diseases Surveillance System (older link archive)
NNF National Needs Graduate and Postgraduate Fellowship Grants Program (older link archive; archive2)
NNHS National Nursing Home Survey (older link archive)
NNI National Nanotechnology Initiative
NNL National Natural Landmarks Program
NN/LM National Network of Libraries of Medicine
NNMI National Network for Manufacturing Innovation (older link archive)
NNRRC National and Nuclear Risk Reduction Center
NNSA National Nuclear Security Administration (older link archive)
NNSS Nevada National Security Site
NOAA National Oceanic and Atmospheric Administration
NOAA ENC NOAA Electronic Navigational Charts (older link archive)
NOAAGlobalTemp NOAA Merged Land Ocean Global Surface Temperature Analysis (older link archive; archive2)
NOB Neuro-Oncology Branch
NOC National Ocean Council (defunct or inactive 1/17, WH transition) | National Operations Center (older link archive)
NOC-DRS National Operations Center Division of Resource Services (absorbed by NOC)
NODC National Oceanographic Data Center (merged into NCEI)
NODD NOAA Open Data Dissemination
NOHRSC National Operational Hydrologic Remote Sensing Center
NOHSS National Oral Health Surveillance System (older link archive)
NOIRS National Occupational Injury Research Symposium
NOMADS National Operational Model Archive and Distribution System (older link archive; archive2)
NOMEC National Strategy for Mapping, Exploring, and Characterizing the United States Exclusive Economic Zone (unable to verify 10/21)
NOMS National Occupational Mortality Surveillance
NOP National Observer Program (older link archive) | National Organic Program
NOPREN Nutrition and Obesity Policy Research and Evaluation Network (older link archive)
NOPUS National Occupant Protection Use Surveys
NORA National Occupational Research Agenda (older link archive)
NORMS National Occupational Respiratory Mortality System (unable to verify 5/20)
NOROCK Northern Rocky Mountain Science Center
NORS National Outbreak Reporting System | Network Outage Reporting System
NOS National Ocean Service
NOSA NOAA Observing System Architecture (unable to verify 1/22; older link archive)
NOSC NOAA Observing Systems Council
NP Office of Nuclear Physics (older link archive)
NPAC Office of Nonproliferation and Arms Control (older link archive; archive2; archive3)
NPALS National Post-acute and Long-term Care Study
NPARL Northern Plains Agricultural Research Laboratory
NPB National Payroll Branch (changed to PSB)
NPC National Processing Center
NPCR National Program of Cancer Registries
NPD National Preparedness Directorate (unable to verify 10/17)
NPDB National Practitioner Data Bank
NPDES National Pollutant Discharge Elimination System
NPDRS National Plant Disease Recovery System (older link archive)
NPDT National Plant Data Team
NPDWR National Primary Drinking Water Regulations (older link archive)
NPEC National Postsecondary Education Cooperative
NPG National Portrait Gallery | NIOSH Pocket Guide to Chemical Hazards
NPGS National Plant Germplasm System
NPHII National Public Health Improvement Initiative
NPHPS National Public Health Performance Standards
NPI National Provider Identifier (older link archive; archive2)
NPIC National Preparedness and Incident Coordination
NPIN National Prevention Information Network
NPIPS Networks, Processors, and Issuers Payments Surveys
NPIRS National Patient Information Reporting System
NPL National Priorities List
NPMS National Pipeline Mapping System
NPOESS National Polar-orbiting Operational Environmental Satellite System (replaced by JPSS)
NPP Nuclear & Particle Physics Directorate
NPPD National Protection and Programs Directorate (changed to CISA; older link archive)
NPPSD North Pacific Pelagic Seabird Database (older link archive; archive2)
NPPTL National Personal Protective Technology Laboratory
NPR National Partnership for Reinventing Government (archived at UNT)
NPRA National Program Retrospective Assessment
NPRC National Personnel Records Center
NPREC National Prison Rape Elimination Commission (unable to verify 2/18)
NPREP National Preparedness for Response Exercise Program (older link archive)
NPRM Notice of Proposed Rulemaking
NPRSB National Preparedness and Response Science Board (changed back to NBSB)
NPS National Park Service | National Participants Survey (AGID site down/technical issues 4/22) | National Prisoner Statistics Program (older link archive) | Nonpoint source pollution
NPS-8 National Prisoner Statistics program
NPSAB National Park System Advisory Board
NPSAS National Postsecondary Student Aid Study
NPSL NASA Parts Selection List
NPTO National Petroleum Technology Office (unable to verify 1/08; likely absorbed into SCNGO)
NPWC National Prevailing Wage Center (older link archive; archive2)
NPWRC Northern Prairie Wildlife Research Center (older link archive; archive2)
NQCO National Quantum Coordination Office
NQI National Quantum Initiative
NQIAC National Quantum Initiative Advisory Committee
NQMC National Quality Measures Clearinghouse (discontinued 7/18; see GAM)
NQS National Quality Strategy
NR National Register of Historic Places (older link archive)
NRA Natural Resources Analysis Group
NRB Neuroimaging Research Branch (older link archive)
NRC National Revenue Center (older link archive) | Neighborhood Reinvestment Corporation (changed to NeighborWorks America) | Nuclear Regulatory Commission
NRCA National Risk and Capability Assessment
NRCC National Response Coordination Center (unable to verify 3/22)
NRCS Natural Resources Conservation Service
NRD National Resource Directory | Nationwide Readmissions Database
NRDA Natural Resource Damage Assessment and Restoration Program
NRDAR Natural Resource Damage Assessment and Restoration Program
NRDP National Rural Development Partnership
NREL National Renewable Energy Laboratory
NREN National Research and Education Network (unable to verify 7/16)
NREPP National Registry of Evidence-based Programs and Practices (discontinued; older link archive; archive2)
NREVSS National Respiratory and Enteric Virus Surveillance System
NRF National Response Framework
NRFC National Responsible Fatherhood Clearinghouse
NRFU Nonresponse Followup Operation
NRHEEC National Report on Human Exposure to Environmental Chemicals
NRI National Resources Inventory | National Risk Index | Nationwide Rivers Inventory (older link archive) | Neighborhood Revitalization Initiative (unable to verify 12/19)
NRIC Natural Resource Investment Center (unable to verify 8/17)
NRMC National Risk Management Center (older link archive; archive2; archive3)
NRMRL National Risk Management Research Laboratory (unable to verify 12/19)
NRO National Reconnaissance Office
NRP National Residue Program for Meat, Poultry, and Egg Products (older link archive)
NRPB National Recording Preservation Board
NRPC National Railroad Passenger Corporation (AMTRAK)
NRR Office of Nuclear Reactor Regulation
NRRC Nuclear Risk Reduction Center (changed to NNRRC)
NRS National Runaway Safeline | Natural Resources & Science | Northern Research Station
NRRSS National River Restoration Science Synthesis (defunct)
NRSA National Rivers and Streams Assessment
NRSS Natural Resource Stewardship and Science Directorate (older link archive) | National Roadway Safety Strategy
NSA National Security Agency
NSAAB National Security Agency Advisory Board (unable to verify 12/20)
NSA/CSS National Security Agency/Central Security Service
NSABB National Science Advisory Board for Biosecurity (older link archive)
NSAP National Survey of Adoptive Parents
NSB National Science Board
NSC NASA Safety Center | National Security Council (older link archive)
NSCAI National Security Commission on Artificial Intelligence
NSCAW National Survey of Child and Adolescent Well-Being (unable to verify 2/21)
NScD Neutron Sciences Directorate
NSCEP National Service Center for Environmental Publications
NSCG National Survey of College Graduates
NSCH National Survey of Children's Health
NSCL Nanoscale Synthesis and Characterization Laboratory
NS-CMIC List Non-SDN Chinese Military-Industrial Complex Companies List
NSCPS National School COVID-19 Prevention Study
NSD National Security Division, DOJ | National Security Division, ICE | National Security Division, USDA
NSDI National Spatial Data Infrastructure
NSDUH National Survey on Drug Use and Health (older link archive)
NSEB National Security Education Board (older link archive)
NSECE National Survey of Early Care and Education
NSEERS National Security Entry-Exit Registration System
NSEP National Security Education Program (older link archive)
NSERL National Soil Erosion Research Laboratory
NSES National Strategy for Electronics Stewardship
NSF National Science Foundation
NSFG National Survey of Family Growth (older link archive)
NSGO National Sea Grant Office
NSHAPC National Survey of Homeless Assistance Providers and Clients
NSIA National Security and International Affairs Division (defunct or inactive 1/17, WH transition)
NSID National Security Investigations Division (changed to NSD; older link archive)
NSIDC National Snow and Ice Data Center Distributed Active Archive Center (older link archive; archive2)
NSIDS National Survey Of Indigent Defense Systems
NSIP National Streamflow Information Program (changed to FPS) | Nutrition Services Incentive Program (unable to verify 3/18)
NS-ISA Non-SDN Iranian Sanctions Act List
NSISS National Strategy for Information Sharing and Safeguarding (unable to verify 2/18)
NSL National Sedimentation Laboratory
NSLDS National Student Loan Data System (unable to verify 2/20; likely merged into studentaid.gov)
NSLP National School Lunch Program (older link archive)
NSLS-II National Synchrotron Light Source II (older link archive)
NSLTCP National Study of Long-Term Care Providers (changed to NPALS)
NSMBB Newborn Screening and Molecular Biology Branch
NS-MBS List Non-SDN Menu-Based Sanctions List
NSMP National Strong-Motion Project
NSMV National Security Multi-Mission Vessels
NSNSD Natural Sounds and Night Skies Division
NSOAAP National Survey of OAA Participants (AGID site down/technical issues 4/22)
NSOPF National Study of Postsecondary Faculty
NSOPR National Sex Offender Public Registry (changed to NSOPW)
NSOPW Dru Sjodin National Sex Offender Public Website
NSP National Security Programs | National Survey of Prosecutors | Neighborhood Stabilization Program
NSpC National Space Council
NSPD National Security Professional Development
NS-PLC List Non-SDN Palestinian Legislative Council List
NSR New Source Review
NSRCF National Survey of Residential Care Facilities (older link archive)
NSRDB National Solar Radiation Database
NSRE National Survey on Recreation and the Environment
NSRL NASA Space Radiation Laboratory
NSRS National Spatial Reference System
NSS National Security Science (older link archive) | National Settlement Service | National Shelter System
NSSATS National Survey of Substance Abuse Treatment Services (older link archive; archive2)
NSSC NASA Shared Services Center (older link archive) | National Supply Service Center
NSSE National Special Security Events (older link archive)
NSSL National Severe Storms Laboratory
NSSP National Syndromic Surveillance Program
NSSRN National Sample Survey of Registered Nurses
NST Nanoscience and Technology Division
NSTAC National Security Telecommunications Advisory Committee (older link archive; archive2; archive3)
NSTC National Science and Technology Center (changed to NOC) | National Science and Technology Council (older link archive)
NSTCS National Survey of Tribal Court Systems
NSTF Natural Convection Shutdown Heat Removal Test Facility
NSTIC National Strategy for Trusted Identities in Cyberspace (changed to TIG)
NSTS National Source Tracking System
NSTTC Office of National Security and Technology Transfer Controls
NSTX-U National Spherical Torus eXperiment - Upgrade (older link archive)
NSU National Security Unit (unable to verify 2/21)
NSUBS National Survey of the Use of Booster Seats
NSWP National Space Weather Program
NSYC National Survey of Youth in Custody
NTA National Taxpayer Advocate (changed to TAS) | National Technical Assistance | Non-Traditional Agent
NTAC National Threat Assessment Center
NTAD National Transportation Atlas Database (older link archive; archive2)
NTAE New Technologies for Ag Extension Program
NTAS National Terrorism Advisory System
NTBS National Tribal Broadband Strategy
NTC National Targeting Center (older link archive) | National Training Center (older link archive)
NTD National Transit Database (older link archive) | Neglected Tropical Diseases
NTED National Training and Education Division (older link archive; archive2)
NTER National Threat Evaluation and Reporting Program | National Training & Education Resource
NTES National Training and Education System (unable to verify 5/20; older link archive)
NTHMP National Tsunami Hazard Mitigation Program
NTIA National Telecommunications and Information Administration
NTID National Technical Institute for the Deaf (older link archive)
NTIS National Technical Information Service
NTL National Transportation Library (older link archive)
NTM National Transit Map
NTNFC National Technical Nuclear Forensics Center
NTP National Toxicology Program
NTPS National Teacher and Principal Survey
NTRC Nanotechnology Research Center | National Transportation Research Center (older link archive)
NTRL National Technical Reports Library
NTRS NASA Technical Reports Server
NTSB National Transportation Safety Board (older link archive)
NTSIP National Toxic Substance Incidents Program
NTSS NASA Technical Standards System
NTTAC National Training and Technical Assistance Center for Child, Youth and Family Mental Health
NTTO National Travel and Tourism Office (older link archive)
NTTP National Technical Training Program (older link archive)
NTWC National Tribal Water Council (older link archive) | National Tsunami Warning Center (older link archive)
NUCMC National Union Catalog of Manuscript Collections
NUOnet Nutrient Use and Outcome Network database
NUPO National Unmanned Aircraft Systems Program Office (changed to NUSO; older link archive)
NURP National Undersea Research Program (merged with OE to create OER)
NUSO National Uncrewed Systems Office
NuSTAR Nuclear Spectroscopic Telescope Array
NUSTL National Urban Security Technology Laboratory
NVAC National Vaccine Advisory Committee (older link archive)
NVAP National Veterinary Accreditation Program
NVC National Vetting Center
NVD National Vulnerability Database
NVDRS National Violent Death Reporting System (older link archive)
NVFEL National Vehicle and Fuel Emissions Laboratory
NVHAP National Viral Hepatitis Action Plan (changed to Viral Hepatitis National Strategic Plan)
NVLAP National Voluntary Laboratory Accreditation Program
NVMC National Vessel Movement Center (older link archive)
NVP National Vaccine Plan
NVPO National Vaccine Program Office (older link archive; archive2)
NVSL National Veterinary Services Laboratories
NVSN New Vaccine Surveillance Network
NVSR National Vital Statistics Reports
NVSS National Vital Statistics System (older link archive)
NVTC National Virtual Translation Center
NVWSC Nevada Water Science Center
NWBC National Women's Business Council
NWC National Water Census
NWCA National Wetland Condition Assessment
NW CASC Northwest Climate Adaptation Science Center (older link archive; archive2; archive3)
NWCC National Water and Climate Center (older link archive)
NWCG National Wildfire Coordinating Group
NW CSC Northwest Climate Science Center (changed to NW CASC)
NWD National Water Dashboard | No Wrong Door System
NWDP National Wildlife Disease Program (older link archive)
NWFHS National Wild Fish Health Survey (older link archive)
NWFHSDb National Wild Fish Health Survey Database (discontinued 12/20, per email; older link archive)
NWFP Northwest Forest Plan (older link archive)
NWFSC Northwest Fisheries Science Center (older link archive)
NWGHAAD National Women and Girls HIV/AIDS Awareness Day
NWHC National Wildlife Health Center (older link archive)
NWHIC National Women's Health Information Center
NwHIN Nationwide Health Information Network (unable to verify 8/18; older link archive)
NWI National Wetlands Inventory (older link archive)
NWIS National Water Information System
NWLON National Water Level Observation Network
NWMDE Nonproliferation of Weapons of Mass Destruction Expertise (inactive or defunct 2/17)
NWPG National Water Program Guidance
NWQL National Water Quality Laboratory
NWRC National Wetlands Research Center (changed to WARC) | National Wildlife Research Center | Northwest Watershed Research Center
NWRS National Wildlife Refuge System (older link archive)
NWS National Weather Service
NWSS National Wastewater Surveillance System
NWTRB Nuclear Waste Technical Review Board
NYCHVS New York City Housing and Vacancy Survey
NYGS National Youth Gang Survey (older link archive)
NYTD National Youth in Transition Database
NYTS National Youth Tobacco Survey
NYWSC New York Water Science Center
NZERTF Net-Zero Energy Residential Test Facility