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

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

M

MAP Market Access Program | Risk Mapping, Assessment and Planning (changed to Risk MAP) | Museum Assessment Program
MAPP Modeling, Analysis, Predictions, and Projections (older link archive; archive2; archive3)
MAPS Mapping and Analysis for Public Safety (unable to verify 10/19) | Mass Attacks in Public Spaces | Mobile Applications for Public Safety (unable to verify 10/23; older link archive; archive2; archive3) | Monitoring Avian Productivity and Survivorship
MARAD Maritime Administration (older link archive)
MARC Machine-Readable Cataloging
MARI Minority HIV/AIDS Research Initiative (unable to verify 6/22)
MARINe Multi-Agency Rocky Intertidal Network (older link archive)
MARPLOT Mapping Application for Response, Planning, and Local Operational Tasks
MARSSIM Multi-Agency Radiation Survey and Site Investigation Manual
MARTS Advance Monthly Retail Trade Survey
MARVEL Machine Assisted Realization of the Virtual Electronic Library (older link archive)
MAS Multiple Award Schedule (older link archive; archive2; archive3)
MASCD Mission Assurance Standards and Capabilities Division
mase Model-Assisted Survey Estimation (older link archive)
MASS Management Assessment Subsystem
MAST Marriage Strengthening Research and Dissemination Center | Mission Accountability Support Tracker
MAT Medication-Assisted Treatment (unable to verify 1/23)
MATCH Medications at Transitions and Clinical Handoffs (older link archive) | Metadata Access Tool for Climate and Health (discontinued 6/18; older link archive)
MATERIAL Machine Translation for English Retrieval of Information in Any Language
MATES Multi-Agency Tissue Engineering Science (unable to verify 2/16)
MATRIX Multi-State Anti-Terrorism Information Exchange (.pdf)
MATS Mercury and Air Toxics Standards (older link archive)
MAUDE Manufacturer and User Facility Device Experience
MAVEN Mars Atmosphere and Volatile EvolutioN (older link archive)
MCDW Monthly Climatic Data for the World
MCE My Community Explorer
MCGP Mouse Cancer Genetics Program
MCH Maternal and Child Health program (older link archive)
MCHB Maternal and Child Health Bureau
MCHEP Maternal and Child Health Epidemiology Program (older link archive)
MCHESP Maternal and Child Health Epidemiology and Statistics Program (unable to verify 12/21)
MCHESS Manufacturing Center for Harsh Environment Service Systems (unable to verify 8/23)
MCHIRC Maternal and Child Health Information Resource Center (changed to MCHESP)
MCI Mortality in Correctional Institutions (older link archive)
MCIDGB Metabolic, Cardiovascular and Inflammatory Disease Genomics Branch (older link archive)
MCM medical countermeasures
MCMP Medical Countermeasures Program (older link archive; archive2)
MCP Monitoring Country Progress (older link archive)
MCPSS Medical Countermeasures Program Support Services (older link archive; archive2)
MCR Managed Care Reporting
MCRMC Military Compensation and Retirement Modernization Commission (unable to verify 5/16; final report)
MCS Mathematics and Computer Science Division (older link archive) | Metadata and Collection Services | Mineral Commodity Summaries (older link archive; archive2) | Office of Mission and Capability Support
MCSAP Motor Carrier Safety Assistance Program (older link archive)
MCSD Marine and Coastal Spatial Data Subcommittee
MCSG Midwest Center for Structural Genomics
MCTF Middle Class Task Force (defunct or inactive 1/17, WH transition)
MEET Medicaid Eligibility and Enrollment Toolkit
MEG Model Evaluation Group
MELI Monitoring Evaluation Learning and Innovation
MEP Hollings Manufacturing Extension Partnership | Medium Energy Physics | Migrant Education Program (older link archive) | Mobility Energy Productivity Tool
MEPAG Mars Exploration Program Analysis Group (older link archive)
MEPI U.S.-Middle East Partnership Initiative
MEPS Medical Expenditure Panel Survey
MEPS-IC Medical Expenditure Panel Survey-Insurance Component
MEPS-ICAR Medical Expenditure Panel Survey-Insurance Component with Administrative Records
MEQC Medicaid Eligibility Quality Control
MER Mars Exploration Rovers
MERAS Mississippi Embayment Regional Aquifer Study (older link archive; archive2; archive3)
MERF Materials Engineering Research Facility (older link archive)
MERL Materials Engineering and Research Lab (unable to verify 11/16)
MERT Marine Ecosystems Climate Risk Team (older link archive; archive2)
MESA Marine Economy Satellite Account | Microsystems Engineering, Science and Applications | Multi-Ethnic Study of Atherosclerosis Air Study (unable to verify 11/21)
MESC Manufacturing and Energy Supply Chains Office (older link archive)
MeSH Medical Subject Headings
MetALiCC-MAP Metals Aquatic Life Criteria and Chemistry Map
METL Mechanisms Engineering Test Loop (older link archive)
METLab Mechanical and Environmental Testing Laboratory
MetOp Meteorological Operational satellite
METRO Global Change Explorer Multisector Evaluation Tool (unable to verify 1/24; older link archive)
METS Message Evaluation and Testing Service (older link archive) | Metadata Encoding & Transmission Standard
MFA Museums for America program
MFI Materials Flows through Industry
MIC Microscopy and Imaging Core (older link archive)
MICAD Molecular Imaging and Contrast Agent Database
MicroE4AI MicroElectronics for Artificial Intelligence
MICrONS Machine Intelligence from Cortical Networks
MIDAS Modernize and Innovate the Delivery of Agricultural Systems program (older link archive) | Multi-Timescale Integrated Dynamic and Scheduling
MIDC Measurement and Instrumentation Data Center
MIDOs Manufacturing Inspection District Offices (changed to Certificate Management Sections)
MIDS Master Ionosonde Data Set
MIECHV Maternal, Infant, and Early Childhood Home Visiting
MIHI Maternal and Infant Health Initiative (older link archive)
MII Medicaid Integrity Institute (older link archive)
MiMM Misadventures in Money Management
MIPS Merit-based Incentive Payment System (older link archive)
MIRD Medical Internal Radiation Dose
MIRE Model Inventory of Roadway Elements (older link archive; archive2)
MIRS Monthly Interest Rate Survey (older link archive)
MIS Mineral Industry Surveys (older link archive; archive2)
MISE Maritime Information Sharing Environment (unable to verify 8/18)
MIST Molecular Information Storage
MITA Medicaid Information Technology Architecture
MitFLG Mitigation Framework Leadership Group
MITR Manufacturing and International Trade Report (older link archive)
MIX Metadata for Images in XML Schema
MJIEDSP Multi-Jurisdiction Improvised Explosive Device Security Planning (older link archive; archive2)
MK&HFL Metabolic Kitchen and Human Feeding Lab
MLARS Money Laundering and Asset Recovery Section (older link archive)
MLN Medicare Learning Network (older link archive; archive2; archive3; archive4)
MLR Medical Loss Ratio | Monthly Labor Review
MLRA Major Land Resource Area (older link archive)
MLRS Mineral & Land Records System (older link archive)
MLS Mass Layoff Statistics
MLTSS Managed Long Term Services and Supports
MLU Major Land Uses
MMAB Marine Modeling and Analysis Branch
MMB Molecular Medicine Branch (older link archive)
MMC Marine Mammal Commission | Military Meal Checks
MMCO Medicare-Medicaid Coordination Office (older link archive; archive2)
MMD Mapping Medicare Disparities (older link archive) | Mission Management Directorate (unable to verify 4/13)
MMDL Medicaid Model Data Lab
MMHSRP Marine Mammal Health and Stranding Response Program (older link archive)
MMIC Materials Manufacturing Innovation Center
MMIP Missing or Murdered Indigenous Persons
MMIS Marine Minerals Information System | Medicaid Management Information System
MML Marine Mammal Laboratory (older link archive) | Material Measurement Laboratory
MMM Marine Mammals Management (older link archive; archive2; archive3)
MMNA Missing and Murdered Native Americans
MMP Marine Minerals Program | Medical Monitoring Project (older link archive) | Missing Migrant Program | Molecular Medicine Program (changed to Metals Biology and Molecular Medicine Group, then Molecular Medicine Group) | Museum Management Program
MMRCs Maternal Mortality Review Committees
MMRIA Maternal Mortality Review Information Application (older link archive; archive2)
MMRR Medicare & Medicaid Research Review
MMS Magnetospheric Multiscale | MEDLARS Management Section (site archived 2/24) | Minerals Management Service (changed to BOEMRE)
MMTD Marine Mammal & Turtle Division (older link archive)
MMU Missing and Murdered Unit
MMUCC Model Minimum Uniform Crash Criteria (older link archive; archive2)
MMWR Morbidity and Mortality Weekly Report
MMX Martian Moons eXploration
MNMS Monitor National Marine Sanctuary
MNRG Midwest Natural Resources Group (unable verify 3/15)
MNSA Office of Multilateral Nuclear and Security Affairs (older link archive; archive2)
MOB Medical Oncology Branch (changed to MOS)
MOC Marine Operations Center (older link archive; archive2)
MoDA Ministry of Defense Advisors (older link archive; archive2)
MODIS Moderate Resolution Imaging Spectroradiometer
MODS Metadata Object Description Schema
M-OISPA Minority Farm Operator Occupational Injury Surveillance of Production Agriculture Survey (page archived)
MOLIS Minority On-Line Information Service (defunct)
MOLLER Measurement of a Lepton-Lepton Electroweak Reaction
MONAHRQ My Own Network, powered by AHRQ (site archived 4/23; older link archive)
MONet Molecular Observation Network
MOOSE Multiphysics Object Oriented Simulation Environment (older link archive)
MOPS Management and Organizational Practices Survey (older link archive)
MOS Medical Oncology Service
MOSAIC Multidisciplinary Drifting Observatory for the Study of Arctic Climate
MOUD Medications for Opioid Use Disorder
MOV Public Safety Officer Medal of Valor (older link archive; archive2)
MOVES MOtor Vehicle Emission Simulator
MOVS Mobility, Opportunity, and Volatility Statistics
MOXIE Mars Oxygen In-Situ Resource Utilization Experiment
MS Mission Support (older link archive) | Modeling and Simulation Branch (unable to verify 4/24)
MSA Metropolitan Statistical Area (older link archive)
MSAP Magnet Schools Assistance Program (older link archive)
MSB Mission Support Bureau (changed to MS) | Money Services Businesses
MSBE Mountain State Broadband Expressway (older link archive)
MSC FEMA Flood Map Service Center (older link archive) | Management Services Center (unable to verify 11/16) | Maritime Security Center
MSCG Midwest Center for Structural Genomics (older link archive)
MSD Materials Science Division, ANL (older link archive) | Materials Science Division, LLNL (older link archive) | Mission Support Directorate
MSDS Material Safety Data Sheets (unable to verify 9/13)
MSE Materials Sciences and Engineering Division
MSEE Molten Salts in Extreme Environments
MSEIP Minority Science and Engineering Improvement Program (older link archive)
MSEL Materials Science and Engineering Library (changed to MML)
MSFC Marshall Space Flight Center (older link archive)
MSFIDM Multistate Financial Institution Data Match
MSFWs Migrant and Seasonal Farmworkers (earlier link archive; archive2; archive3)
MSHA Mine Safety and Health Administration
MSI Maritime Safety Information | Medicare Administrative Contractor Satisfaction Indicator (unable to verify 4/21)
MSIP Minority Serving Institutions Program (older link archive; archive2)
MSIS Medicaid Statistical Information System (changed to T-MSIS)
MSL Mars Science Laboratory
MSN Macromolecular, Supramolecular and Nanochemistry (older link archive; archive2)
MSP Higher Education Multicultural Scholars Program (older link archive) | Maritime Security Program (older link archive) | Mathematics and Science Partnerships (site archived 11/22; older link archive) | Medicare Secondary Payer (older link archive) | Minerals Security Partnership
MSPB Merit Systems Protection Board
MSPD Monthly Statement of the Public Debt (older link archive; archive2)
MSPV Medical Surgical Prime Vendor
MSR Marine Scientific Research | Mars Sample Return | Mid-Session Review
MSRP Montrose Settlements Restoration Program (older link archive)
MSRR Materials Science Research Rack
MSRS Monthly State Retail Sales
M/SS Office of Management Strategy and Solutions
MST Maritime Security Team | Materials Science and Technology Division (older link archive; archive2)
MS-TC Modeling and Simulation Technology Center
MTAS Mars Transportation Assessment Study
MTBS Monitoring Trends in Burn Severity
MTCSWA Multiplatform Tropical Cyclone Surface Winds Analysis (older link archive)
MT&D Marine Trash and Debris Program (changed to Marine Debris Program, reverted to MT&D, changed again to Marine Debris Program; older link archive; archive2; archive3; archive4; archive5)
MTDP Minority Telecommunications Development Program (older link archive)
MTED Market and Trade Economics Division
MTF Monitoring the Future Survey (older link archive; archive2)
MTI Mineta Transportation Institute
MTIP Master Teacher of Invention Education Program
MTIS Manufacturing and Trade Inventories and Sales
MTMDB Molecular Targets and Medications Discovery Branch
MTMNM Mariana Trench Marine National Monument
MTO Moving to Opportunity for Fair Housing Demonstration
MTP Molecular Targets Platform | Molecular Targets Program | NTER Master Trainer Program (older link archive)
MTS Marine Transportation System (older link archive; archive2) | Model Tribal System | Monthly Treasury Statement (older link archive)
MTW Moving to Work (older link archive)
Mu2e Muon-to-Electron-Conversion Experiment
MuGSI Multi-site Gram-negative Surveillance Initiative (older link archive)
MUREP Minority University Research and Education Project (older link archive)
MUSE Multi-Site Implementation Evaluation of Tribal Home Visiting (older link archive) | Multi-slit Solar Explorer
MUTCD Manual on Uniform Traffic Control Devices for Streets and Highways
MVP Million Veteran Program
MVPS Message Validation, Processing, and Provisioning System
MVUM Motor Vehicle Use Map
MWEE Meaningful Watershed Educational Experiences
MWEPA Mexican Wolf Experimental Population Area (older link archive; archive2)
MWF My Water's Fluoride
MWL Mariners Weather Log
MWOBs Minority and Women Owned Businesses (older link archive)
MWTC Microwave Sounder-based Tropical Cyclone (older link archive)
MWTS Monthly Wholesale Trade Survey
MXP Import/Export Price Indexes
MyPART My Pediatric and Adult Rare Tumor network
MYVP Minority Youth Violence Prevention program (older link archive)