| Acronym | Definition |
|---|
| AAF | Army Air Forces |
| AAF | American Advertising Federation |
| AAF | Alliance of American Football (est. 2019) |
| AAF | Answering a Fundamentalist (Albert J. Nevins book) |
| AAF | Affordable Art Fair (various locations) |
| AAF | Army Air Field |
| AAF | Advanced Authoring Format |
| AAF | American Architectural Foundation |
| AAF | Association des Archivistes Français (French: Association of French Archivists; est. 1904) |
| AAF | Alien Ant Farm (band) |
| AAF | Australian Access Federation (est. 2009; Australia) |
| AAF | Afghanistan Air Force (Afghanistan) |
| AAF | African American Female (classification) |
| AAF | Animals Asia Foundation |
| AAF | Allied Air Forces |
| AAF | Access Adaptation Function |
| AAF | Adaptive Active Filtering |
| AAF | Adaptation Adjustment Factor |
| AAF | Animation Agent File |
| AAF | Acetylaminofluorene |
| AAF | As A Friend |
| AAF | Anti-Aliasing Filter |
| AAF | Amateur Athletic Federation (various locations) |
| AAF | Audit and Assurance Faculty (Institute of Chartered Accountants in England & Wales; UK) |
| AAF | Average Annual Flow (streams) |
| AAF | Always And Forever |
| AAF | Alarm Association of Florida |
| AAF | Anti-Afghanistan Forces |
| AAF | Ateliers d'Art de France (French craft professionals association) |
| AAF | Artists' Association of Finland |
| AAF | Asset Allocation Fund |
| AAF | Alloy Adjustment Factor (stainless steel pricing) |
| AAF | Auxiliary Air Field |
| AAF | 2-Acetamidofluorene |
| AAF | Aztec Athletic Foundation (San Diego State University; California) |
| AAF | Académie d'Agriculture de France (French: Academy of Agriculture of France) |
| AAF | Aluminum Association of Florida |
| AAF | Army Advantage Fund (US Military) |
| AAF | ASEAN Automotive Federation |
| AAF | Aigle Azur, France (ICAO code) |
| AAF | Airway Facilities Service (Federal Aviation Administration) |
| AAF | Activity Authorization Form (Virginia) |
| AAF | American Air Filter Company |
| AAF | Annual Average Flow |
| AAF | Académie d'Armes de France (French: Academy of Arms of France; fencing school) |
| AAF | Association des Accidentés de France (French: Accident Victims Association of France) |
| AAF | Associate Administrator for Airway Facilities (FAA) |
| AAF | Active Analytics Framework (Oracle Corporation) |
| AAF | Audit Automation Facilities |
| AAF | Ascorbic Acid Factor |
| AAF | Air-to-Air Firing |
| AAF | ARM (Atmospheric Radiation Measurement) Aerial Facility (US DOE) |
| AAF | Army Availability Factor |
| AAF | Atlantic Amphibious Force |
| AAF | African-American Fund (of New Jersey, Inc) |
| AAF | Audit & Audit Follow-up (IG) |
| AAF | Area Adjustment Factor |
| AAF | Anti-Alias Function |
| AAF | Actual Art Foundation (New York, NY) |