| Acronym | Definition |
|---|
| NAF | Naval Aircraft Factory (est. 1981; US Navy) |
| NAF | National Arbitration Forum |
| NAF | sodium fluoride |
| NAF | National Academy Foundation |
| NAF | National Abortion Federation |
| NAF | Naval Air Facility |
| NAF | No Added Formaldehyde |
| NAF | New America Foundation (think tank) |
| NAF | Natural Animal Feeds (Monmouth, NJ) |
| NAF | National AIDS Fund |
| NAF | National Arts Festival |
| NAF | National Ataxia Foundation |
| NAF | National Armed Forces |
| NAF | Non-Appropriated Funds |
| NAF | Norges Automobil Forbund |
| NAF | Native American Flute |
| NAF | Numbered Air Force |
| NAF | Nipple Aspirate Fluid |
| NAF | Negation As Failure (logics) |
| NAF | National Anxiety Foundation |
| NAF | Nonprofits Assistance Fund (Minneapolis, MN) |
| NAF | Nomenclature des Activités Françaises (official register of business branches in France) |
| NAF | North American Forum (various organizations) |
| NAF | Norges Apotekerforening (Norwegian Association of Pharmacists) |
| NAF | Non-Accelerated Filer (US SEC) |
| NAF | Non-Adjacent Form |
| NAF | Nippon Accommodations Fund (Japan) |
| NAF | Native American Fellowship (Phoenix, AZ) |
| NAF | Nigerian Airforce |
| NAF | Netherlands Antillean Guilder (monetary unit) |
| NAF | National Advertising Fund |
| NAF | North Atlantic Format (electronic data transmission; fisheries) |
| NAF | Naval Aviation Foundation |
| NAF | National Alliance of Families (POW/MIA) |
| NAF | Nordic Working Group on Fisheries Research |
| NAF | National Abortion Foundation |
| NAF | New Account Form |
| NAF | Needs Assessment Framework |
| NAF | No Abnormal Findings |
| NAF | Northern Attack Force (US Navy) |
| NAF | National Access Fee (MCI) |
| NAF | Nuffle Amorical Football (gaming) |
| NAF | Naval Avionics Facility (Indianapolis, IN) |
| NAF | Non-Orthogonal Amplify and Forward |
| NAF | Network Access Function |
| NAF | Northern Africa Region |
| NAF | NIPS Area File |
| NAF | Normalized Age Factor |
| NAF | New Advanced Formula |
| NAF | No-Access Fault |