A government abbreviation usually names one of four things: an agency (IRS, CDC), a law (HIPAA, FMLA), a public program (SNAP, FAFSA) or a military term (MOS, MRE). The full names are long and official, so the news, forms and letters from agencies lean on the short forms almost every time.
This hub groups the most searched letters by type, with the full form exactly as the agency or law writes it. Each linked term has a page that explains what the office or rule does, how the letters are said, and what they are often confused with. The descriptions here are factual summaries, not opinions about any policy.
Quick facts
Groups
Federal agencies, laws, benefit programs, police and courts, military, internationalSaid as words
NASA, FEMA, NATO, HIPAA, FAFSARead letter by letter
FBI, IRS, CDC, TSA, EPASeen on
Tax letters, school aid forms, workplace posters, newsMilitary ranks
Capt., Sgt., Lt. and Col. in news styleTip
Many agency names begin with Department of, Bureau of or Office of
Federal agencies by their letters
Most people meet these on a tax notice, at the airport or in a news story.
| Letters | Full name | Main job |
|---|---|---|
| FBI | Federal Bureau of Investigation | Federal law enforcement and investigations |
| CIA | Central Intelligence Agency | Foreign intelligence |
| IRS | Internal Revenue Service | Collects federal taxes |
| CDC | Centers for Disease Control and Prevention | Public health |
| FDA | Food and Drug Administration | Food, medicine and medical device safety |
| EPA | Environmental Protection Agency | Air, water and land rules |
| FEMA | Federal Emergency Management Agency | Disaster response and recovery |
| TSA | Transportation Security Administration | Airport security screening |
| ICE | Immigration and Customs Enforcement | Immigration and customs cases within US borders |
| OSHA | Occupational Safety and Health Administration | Workplace safety |
| NASA | National Aeronautics and Space Administration | Space and aeronautics |
Cabinet departments shorten too: DHS is the Department of Homeland Security, DOJ the Department of Justice, HUD Housing and Urban Development, USDA the Department of Agriculture and VA Veterans Affairs. The DMV is a state office, not a federal one, and its exact name changes from state to state.
Laws and public programs
Laws are often known only by their letters. Programs that help people pay for food, school or living costs work the same way.
- HIPAA: known as Health Insurance Portability and Accountability Act; its rules sit behind the medical privacy forms at a doctor's office.
- FERPA: Family Educational Rights and Privacy Act, which covers student records.
- FMLA: Family and Medical Leave Act, about job-protected leave.
- ADA: Americans with Disabilities Act.
- ACA: Affordable Care Act, the health insurance law.
- RICO: Racketeer Influenced and Corrupt Organizations Act.
- FAFSA: the college aid form, Free Application for Federal Student Aid.
- SNAP: Supplemental Nutrition Assistance Program, which helps with grocery costs.
- SSI: Supplemental Security Income.
Police acronyms and court terms
A police acronym in a news report or a crime show usually comes from this short list.
| Letters | Stands for |
|---|---|
| SWAT | Special Weapons and Tactics |
| BOLO | Be on the lookout |
| DUI | Driving under the influence |
| OWI | Operating while intoxicated, the term some states use instead of DUI |
| DARE | Drug Abuse Resistance Education, a school program |
| ATF | Alcohol, Tobacco, Firearms and Explosives; its letters predate the E, which joined the bureau name later |
| DEA | Drug Enforcement Administration |
| SCOTUS | Supreme Court of the United States |
On a radio news report: "Officers issued a BOLO for a gray pickup." That means every unit in the area was asked to watch for the truck.
Army acronyms and other military short forms
The armed forces use more acronyms than almost any other field. An army acronym or a navy term in a letter home is likely one of these:
- GI: a nickname for a US soldier, usually explained as government issue.
- MOS: military occupational specialty, a service member's job code.
- MRE: meal, ready-to-eat, a packaged field ration.
- TDY: temporary duty, a short assignment away from the home base.
- MIA: missing in action.
- JAG: judge advocate general, the legal branch of a service.
- DEFCON: defense readiness condition, a scale of alert levels.
- USS: United States Ship, used before the names of Navy ships.
- SEAL: sea, air and land, the Navy special operations teams.
Ranks are shortened too. News style writes Capt., Sgt., Lt. and Col. before a name. The services themselves use all-capital forms, such as CPT and SGT in the Army, so expect both styles.
International and historical groups
Some letters name groups of countries or bodies from the past rather than US offices.
- NATO: North Atlantic Treaty Organization, a defense alliance.
- OPEC: Organization of the Petroleum Exporting Countries.
- UNICEF: United Nations Children's Fund. The letters come from its original, longer name.
- NGO: nongovernmental organization, any nonprofit group that works apart from a government.
- USSR: Union of Soviet Socialist Republics, which dissolved in 1991.
- GDPR: General Data Protection Regulation, a European Union privacy law that many websites follow.
Not every group with an official-sounding name is part of a government. AARP, YMCA and NAACP are private organizations, even though their letters show up beside agency names in the news.
Reading a government abbreviation in context
- Look at the sender. An official letter usually prints the agency name in full at the top, so the letters in the body point back to it.
- Watch for state versions. Many states run their own agencies with similar letters, such as a state EPA or a state department of labor.
- Separate the office from the law. OSHA is an agency; HIPAA is a law. The first enforces rules, the second is the rule.
- Check the field. VA is Veterans Affairs in a benefits letter but Virginia on an envelope. ADA is a disability law in an office memo and a dental association on a toothpaste box.
For the general rules on short forms, see what is an acronym, and for state codes, see the state abbreviation list.
Questions people ask
What is the abbreviation for government?
Govt. is the standard short form, and gov. is also common in American writing. In web addresses, .gov marks official US government sites. See the page on the abbreviation for government for more.
Why does the government use so many acronyms?
Agency and law names are long and precise, and they are repeated often in reports and news. The letters save space and time, though they can confuse readers who do not know them.
Do people say ICE as a word?
Yes. The letters are spoken like frozen water, which makes ICE a true acronym. The agency belongs to the homeland security department, one of the cabinet offices.
What does SWAT stand for?
SWAT stands for Special Weapons and Tactics. It names police teams trained for high-risk situations and is said as one word.
Are military rank abbreviations the same in every branch?
No. Each branch has its own official forms and pay grade codes. News writing uses a single simpler set, such as Sgt. and Capt., for all of them.