Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

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

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


T2C Technology Transfer and Commercialization Program
T&E Threatened and Endangered
TA Technology Administration (defunct)
TAA Trade Adjustment Assistance for Firms
TAACCCT Trade Adjustment Assistance Community College and Career Training
TAAMS Trust Asset and Accounting Management System (older link archive)
TAATC Division of Trade Agreement Administration and Technical Cooperation (unable to verify 5/14)
TABSS Technical, Acquisition and Business Support Services (changed to Professional & Office Area Support Services; older link archive)
TAC Trademark Assistance Center | Tribal Advisory Committee (older link archive)
TACCIMO Template for Assessing Climate Change Impacts and Management Options (older link archive)
TACP Transformative Aeronautics Concept Program
TACT Ticketing Aggressive Cars and Trucks Program (older link archive)
TAD Tax Audit Division (older link archive; archive2) | Toolsets for Airborne Data (decommissioned ~9/20)
TAG Adolescent Health: Think, Act, Grow (unable to verify 9/20)
TAGGS Tracking Accountability in Government Grants System
TALF Term Asset-Backed Securities Loan Facility
TALIS Teaching and Learning International Survey
TANC Office of Trade Agreements Negotiations and Compliance
TANF Temporary Assistance for Needy Families (older link archive)
TAO Tropical Atmosphere Ocean project
TAP Transition Assistance Program (older link archive; archive2) | Transportation Alternatives Program | Tree Assistance Program | Tribal Access Program | Tribal Action Plan
TAPD Telecommunications Access Policy Division
TAR Tranportation Acquisition Regulation (older link archive; archive2)
TARGET Technology & Accessible Resources Give Employment Today Center | Therapeutically Applicable Research to Generate Effective Treatments
TARP Troubled Asset Relief Program (older link archive)
TARS Tropical Agriculture Research Station
TAS Taxpayer Advocate Service (older link archive) | Teacher at Sea Program (older link archive)
TASC Technical Assistance for Specialty Crops
TAVISS Targeted Violence Information Sharing System
TB Division of Tuberculosis Elimination
TBAC Tribal Budget Advisory Council (changed to TIBC)
TBCC Trust Beneficiary Call Center
TBDWG Tick-Borne Disease Working Group
TBESC Tuberculosis Epidemiologic Studies Consortium
TBHCE Telebehavioral Health Center of Excellence
TBI/TSR Traumatic Brain Injury and Stroke Rehabilitation Program (unable to verify 8/17)
TBTC Tuberculosis Trials Consortium
TC William J. Hughes Technical Center
TCAC Tribal Consultation Advisory Committee (changed to TAC)
TCAP Tribal Courts Assistance Program (unable to verify 12/18)
TCB Telecommunications Certification Bodies System | Trade Capacity Building (older link archive)
TCC Trade Compliance Center (changed to TANC) | Tree Canopy Cover
TCCC Transportation and Climate Change Clearinghouse (unable to verify 12/18 but some content still available; older link archive)
TCCLA Tribal Civil and Criminal Legal Assistance
TCCPRU Tropical Crop and Commodity Protection Research
TCDB Transparent Cost Database (older link archive)
TCE Tax Counseling for the Elderly Program (older link archive)
TCEG Tribal Colleges Education Equity Grants Program
TCGA The Cancer Genome Atlas (older link archive)
TCH Think Cultural Health
TCIS Treasury Check Information System (older link archive)
TCLI Teacher Cancellation Low Income
TCMM Treasury Collateral Management and Monitoring
TCNS Tower Construction Notification System
TCP Tropospheric Chemistry Program
TCPCTIP Tribally Controlled Postsecondary Career and Technical Education Program
TCR Branch of Tribal Climate Resilience | Technology Clearinghouse (changed to R-Tech)
TCRB Tobacco Control Research Branch
TCRP Tribal Climate Resilience Program (changed to TCR; earlier, changed to TRP, then back to TCRP)
TCSIRC Treasury Computer Security Incident Response Capability
TDA Trade and Development Agency (see USTDA)
TDAT Tribal Directory Assessment Tool (older link archive)
TDB Drinking Water Treatability Database (older link archive)
TDHE Tribally Designated Housing Entities (older link archive)
TDIE-IWG Transportation, Distribution, Infrastructure, and End Use Interagency Working Group
TDM Technology Demonstration Missions
TDRP Trans-Divisional Research Program
TDRS Tracking and Data Relay Satellite (older link archive)
TDT Technology Development and Transfer (older link archive)
TDY Temporary Duty (older link archive; archive2; archive3)
TEA Type of Enumeration Area
TEACH Teacher Education Assistance for College and Higher Education Grant Program
TeamSTEPPS Team Strategies and Tools to Enhance Performance and Patient Safety
TEAPOTS Title Eight Automated Paperless Office Tracking System (replaced by HEMS)
TEAS Trademark Electronic Application System (older link archive)
TED Test and Evaluation Division | The Economics Daily
TEDAC Terrorist Explosive Device Analytical Center
TEDB Transportation Energy Data Book (older link archive)
TEDC Tribal Energy Development Capacity (older link archive; archive2)
TEDS National Standards on Transport, Escort, Detention, and Search | Treatment Episode Data Set (older link archive)
TEEIC Tribal Energy and Environmental Information Clearinghouse (unable to verify 8/18)
TEFAP The Emergency Food Assistance Program (older link archive)
TEHIP Toxicology and Environmental Health Information Program (unable to verify 12/19; older link archive)
TEK Traditional Ecological Knowledge
TEKTRAN Technology Transfer Automated Retrieval System
TELI Tribal Early Learning Initiative (older link archive; archive2; archive3)
TEMPO Tropospheric Emissions: Monitoring of Pollution
TEOAF Treasury Executive Office for Asset Forfeiture (older link archive)
TES Office of Trade and Economic Security | Terrestrial Ecosystem Science Program (changed to/replaced by ESS)
TESS Trademark Electronic Search System (older link archive) | Transiting Exoplanet Survey Satellite (older link archive)
TEU Trace Evidence Unit
TEUI Terrestrial Ecological Unit Inventory
TextMD Technical Metadata for Text
TFAA Trade and Foreign Agricultural Affairs
TFAS Trust Fund Accounting System (unable to verify 2/21)
T-FERST Tribal-Focused Environmental Risk and Sustainability Tool (requires login 12/19; older link archive; archive2)
TFF Treasury Forfeiture Fund (older link archive)
TFFC Office of Terrorist Financing and Financial Crimes (older link archive)
TFFIP Tracy Fish Facility Improvement Program
TFGB Translational and Functional Genomics Branch (older link archive)
TFHRC Turner-Fairbank Highway Research Center (older link archive)
TFI Office of Terrorism and Financial Intelligence (older link archive)
TFM Treasury Financial Manual
TFMICF Task Force on Market Integrity and Consumer Fraud (unable to verify / website archived 1/22)
TFR Temporary Flight Restriction
TFS Counter Threat Finance and Sanctions Division (older link archive; archive2) | Teacher Follow-Up Survey
TFSSP Twelve-Five Standard Security Program
TFS/SPI Office of Economic Sanctions Policy and Implementation
TFS/TFC Office of Threat Finance Countermeasures
TFTP Terrorist Finance Tracking Program
TFX Treasury Financial Experience
TGA Treasury General Account
TGDC Technical Guidelines Development Committee
THPO Tribal Historic Preservation Offices (older link archive; archive2)
T.H.R.I.V.E. Train. Hope. Rise. Innovate. Venture. Elevate
THRO Tribal Health Research Office
THRU Technical Hazards Response Unit
THSRB Treatment, Health Services, and Recovery Branch
THT Transportation and Health Tool
TIAG Tribal Issues Advisory Group
TIAS Treaties and International Acts Series
TIBC Tribal/Interior Budget Council (older link archive)
TIC Technical Information Center | Trade Information Center (merged with; changed to Export Solutions) | Treasury International Capital System (older link archive)
TID Trade Investigations Division (older link archive; archive2)
TiDHE Training, Diversity and Health Equity Office
TIEAs Tax Information Exchange Agreements
TIFSD Technology Innovation and Field Services Division (unable to verify 12/15)
TIG Trusted Identities Group (unable to verify 12/21; older link archive)
TIGER Topologically Integrated Geographic Encoding and Referencing (older link archive) | Transportation Investment Generating Economic Recovery (replaced by BUILD 4/18)
TIGGER Transit Investments in Greenhouse Gas and Energy Reduction
TIGTA Treasury Inspector General for Tax Administration
TIMS Technical Information Management System
TIMSS Trends in International Mathematics and Science Study
TIP Technology, Innovation and Partnerships | Technology Innovation Program | Transition Incentives Program
TIP Office Office to Monitor and Combat Trafficking in Persons (older link archive)
TIPCAP Tribal Injury Prevention Cooperative Agreement Program
TIPS Technical Innovation and Professional Services (older link archive) | Terrorism Information and Prevention System (defunct; see Senate hearing)
TIRC Toxicology Information Response Center (unable to verify 3/12)
TJS Tribal Justice Support
TJSIP Tribal Justice Systems Infrastructure Program
TJSO Thomas Jefferson Site Office (older link archive)
TLC Office of the Tax Legislative Counsel
TLDC Tribal Leaders Diabetes Committee (older link archive)
TLF Teacher Loan Forgiveness Program (older link archive)
TLOA Tribal Law and Order Act
TLP Transitional Living Program for Older Homeless Youth
TMC The Mentoring Connection (unable to verify 10/13)
TMEP Trademark Manual of Examining Procedure
TMG Tribal Management Grant (older link archive)
TMIP Transportation Model Improvement Program
TMOG Trademark Official Gazette
TMP Technology Maturation Program (older link archive)
T-MSIS Transformed Medicaid Statistical Information System (older link archive)
TNM The National Map (older link archive)
TOC Telecommunication Operations Center (older link archive)
TOCMC Transnational Organized Crime Mission Center
TOD Transit-Oriented Development
TOMS-EP Total Ozone Mapping Spectrometer-Earth Probe
TOP Technology Opportunities Program (changed to BTOP) | Treasury Offset Program (older link archive; archive2)
TOTAL Tenure, Ownership, and Transition of Agricultural Land (older link archive)
TOX21 Toxicology Testing in the 21st Century
ToxCast Toxicity ForeCaster (older link archive)
TPAC Trademark Public Advisory Committee
TPC Tourism Policy Council
TPG Training Project Grants
TPGRDRU Tropical Plant Genetic Resources and Disease Research Unit
TPIO Technology, Planning and Integration for Observation (unable to verify 1/22)
TPIS Trade Policy Information System
TPLD Technology Programs Law Division
TPM Transportation Performance Management
TPN Trade Policy and Negotiations (older link archive)
TPO Technology Partnerships Office (NIST) | Technology Partnerships Office (NOAA)
TPOPS Telephone Point of Purchase Survey (unable to verify BLS site 3/20; see alternate Census site)
TPP Teen Pregnancy Prevention Program (older link archive; archive2; archive3) | Trade Policy and Programs (changed to TPN) | Trans-Pacific Partnership (older link archive; archive2)
TPS Teaching with Primary Sources | Technical Preservation Services (older link archive) | Temporary Protected Status
TPSAC Tobacco Products Scientific Advisory Committee (older link archive)
TQP Teacher Quality Partnership Grant (unable to verify 9/21)
TRA Division for Transportation Affairs
TRA/AN Office of Aviation Negotiations
TRACC Transportation Research And Analysis Computing Center (older link archive)
TRACER Trace Radioisotope Analysis Center
TRACIE Technical Resources Assistance Center and Information Exchange
TRACS Tracking and Reporting Accomplishments for the Conservation of Species (older link archive)
TRACT Targeted Resource Acquisition Comparison Tool (older link archive)
TRA/OTP Office of Transportation Policy
TRAVL Transportation Analysis and Visualization Laboratory (older link archive; archive2)
TRCC Traffic Records Coordinating Committee
TRDS Travel Record Data Service
TREAS Department of the Treasury (older link archive)
TRI Toxics Release Inventory
Tribal PREP Tribal Personal Responsibility Education Program
TRIP Terrorism Risk Insurance Program
TRIPS Trade-Related Aspects of Intellectual Property Rights
TRIPwire Technical Resource for Incident Prevention (older link archive)
TRMM Tropical Rainfall Measuring Mission (older link archive; archive2; archive3)
TRN Tenant Resource Network Program (older link archive)
TROPICS Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats
TROR Treasury Report on Receivables
TRP Translational Research Program | Tribal Climate Resilience Program (reverted back to TCRP)
TRRG Tribal Resilience Resource Guide (older link archive; archive2)
TRS Telecommunications Relay Service (older link archive)
TS Terminology Services (older link archive)
TSA Teacher Shortage Areas | Transitional Sheltering Assistance (unable to verify 8/20) | Transportation Security Administration
TSAR Transportation Statistics Annual Report (older link archive; archive2; archive3)
TSC Technical Service Center | Terrorist Screening Center
TSCD Technical Support Coordination Division
TSD Transportation Services Division
TSDB Terrorist Screening Database
TSDFs Treatment, Storage, and Disposal Facilities
TSDR Trademark Status and Document Retrieval
TSE TradeStats Express
TSI Transportation Safety Institute (older link archive) | Transportation Services Index (older link archive)
TSL Teacher and School Leader Incentive Program
TSM Traffic Safety Marketing
TSO Transit Safety and Oversight
TSP Telecommunications Service Priority (older link archive; archive2; archive3) | Thrift Savings Plan | Transportation Safety Planning
TSU Tribal Support Unit (changed to OTASA)
TSWG Technical Support Working Group (older link archive; archive2)
TT&L Treasury Tax and Loan Service (unable to verify 10/14)
T/TA Early Childhood Training and Technical Assistance (see ECCTAS; unable to verify 7/21; older link archive; archive2)
TTA Tribal Training and Technical Assistance Center
TTAB Trademark Trial and Appeal Board (older link archive)
TTABVUE Trademark Trial and Appeal Board Inquiry System
TTAC Tribal Technical Advisory Committee
TTANF Tribal Temporary Assistance for Native Families
TTB Alcohol and Tobacco Tax and Trade Bureau
TTC Technology Transfer Center
TTCW Tribal TANF – Child Welfare
TTiF Transportation Trends in Focus (older link archive)
TTN Technology Transfer Network (changed to Technical Air Pollution Resources)
TTP Tribal Transportation Program (older link archive) | Trusted Traveler Programs
TTPP Tobacco Transition Payment Program
TTR Total Taxable Resources
TTRDC Transportation Technology R&D Center (unable to verify 8/18)
TTS Technology Transformation Service (older link archive 1; archive 2)
TTSA Travel and Tourism Satellite Account
TTSD Railroad Safety Technical Training Standards Division
TTVP Tuna Tracking & Verification Program (older link archive)
TUS-CPS Tobacco Use Supplement to the Current Population Survey
TVA Tennessee Valley Authority (older link archive)
TVAP Trafficking Victim Assistance Program
TVIS Title V Information System
TVTP Targeted Violence and Terrorism Prevention (older link archive)
TWH Total Worker Health
TwHP Teaching with Historic Places
TWIC Transportation Worker Identification Credential
TWU Transportation, Warehousing and Utilities Program
TYP Tribal Youth Program (older link archive)