| Acronym | Definition |
|---|
| AF | Air Force |
| AF | Acronym Finder (AcronymFinder.com website) |
| AF | Automatic Focus (camera) |
| AF | ATM Forum |
| AF | Auto-Flash |
| AF | Auto-Focus |
| AF | Address Family (sockets) |
| AF | Store(s) Ship |
| AF | Africa (regional designation of the Peace Corps) |
| AF | Afghanistan |
| AF | Affiliate |
| AF | Allied Force (flight simulator game) |
| AF | Armed Forces |
| AF | Applied For |
| AF | Acre-Feet |
| AF | Air Filter |
| AF | American Flag |
| AF | Arthritis Foundation |
| AF | Abercrombie & Fitch |
| AF | Air France (airline code) |
| AF | Aviation Fuel |
| AF | Atrial Flutter |
| AF | Artifact (gamin, Final Fantasy) |
| AF | Afghani (currency of Afghanistan) |
| AF | Atrial Fibrillation (also seen as Afebrile) |
| AF | Arcade Fire (band) |
| AF | Athlete's Foot |
| AF | American Fork (city in Utah) |
| AF | Affix |
| AF | Aretha Franklin (singer) |
| AF | African Affairs (US State Department) |
| AF | Airframe |
| AF | Alliance Française |
| AF | Audio Frequency |
| AF | Attack Force |
| AF | Al Fine (Italian: to the end) |
| AF | Air Freight |
| AF | Award Fee |
| AF | As Found |
| AF | Amniotic Fluid |
| AF | Acre Foot |
| AF | Asia Foundation |
| AF | Anisotropic Filtering |
| AF | Appropriated Fund |
| AF | Anti-Flag (band) |
| AF | Address Field |
| AF | Artemis Fowl (book) |
| AF | Artemis Fowl (book series, movie) |
| AF | Arbejdsformidling (DK) |
| AF | Asian Female |
| AF | Astoria Financial Corporation (stock symbol) |
| AF | Anglo-French |
| AF | Agnostic Front (punk/hardcore band) |
| AF | Academy Fantasia (various locations; reality TV show) |
| AF | Allocations Familiales (French, family benefits office) |
| AF | Addams Family (TV show) |
| AF | After Forever (band) |
| AF | Air Freshener |
| AF | American Forests |
| AF | Anal Fissure (disease) |
| AF | Anarchist Federation (UK) |
| AF | Aunt Flo (slang for menstrual period) |
| AF | Aeon Flux (TV show) |
| AF | Assured Forwarding (Differentiated Services Code Point) |
| AF | Assured Forwarding |
| AF | As Fed (actual weight of cattle feed) |
| AF | Authority Figure |
| AF | amphibious force (US DoD) |
| AF | Auto-Feed |
| AF | Australia Fair (national anthem) |
| AF | Admiral of the Fleet |
| AF | Alternating Field (demagnetization) |
| AF | Akademiska Föreningen (Lund, Sweden) |
| AF | Ad Finem (Latin: to the end) |
| AF | Aft Fuselage |
| AF | American Field (dog breed registry) |
| AF | Animation Factory |
| AF | Amazing Fantasy (comic books) |
| AF | Agreed Framework (between United States and Democratic People's Republic of Korea) |
| AF | Alternative Frequency |
| AF | Acceleration Factor |
| AF | Anime Fantasy |
| AF | Auxiliary Carry Flag |
| AF | Active Flow |
| AF | Airway Facilities |
| AF | Atomic Fluorescence |
| AF | Alternative Forum (Suriname) |
| AF | Activity Factor |
| AF | Amplify and Forward |
| AF | Antenna Factor |
| AF | After Ford (Brave New World) |
| AF | American Freightways |
| AF | Availability Factor |
| AF | Animal Forest (game) |
| AF | Anaerobic Filter |
| AF | Amiga Format (magazine, now defunct, for Amiga computers) |
| AF | Alleged Father (DNA testing; paternity determination) |
| AF | Atom Films |
| AF | After Future (Dragonball gaming) |
| AF | Across Flats |
| AF | Added Factor |
| AF | Ammunition Factory (Pune, India) |
| AF | Autofrettage (metal fabrication technique) |
| AF | Afghan Film |
| AF | Akademikernes Fellesorganisasjon |
| AF | Almond Flour |
| AF | Anti-Ferromagnetic (also seen as AFM) |
| AF | Adjust Fire |
| AF | Applicable Fare (airlines) |
| AF | Ahrens Fox (Fire Truck manufacturer) |
| AF | Assets Forfeiture |
| AF | Auto-Framed |
| AF | Absorption Fraction |
| AF | Augmentation Force(s) |
| AF | Alliance Forums |
| AF | Automatic Following |
| AF | Auxiliary Feed |
| AF | Approximate Factorization |
| AF | Auxiliary Funds |
| AF | Arkitektförbundet |
| AF | Allowance Factor |
| AF | Ampere Frame |
| AF | Ancestry File (genealogy) |
| AF | Activity Finish |
| AF | Attack Flamingo (band) |
| AF | Artists Forum, Inc. |
| AF | Alabama & Florida Railway Company |
| AF | Arthacharya Foundation (Sri Lanka) |
| AF | After Funimation (Dragon Ball) |
| AF | American Fractional (tools) |
| AF | Amahoro Foundation |
| AF | Actum Fide (Latin: done in faith) |
| AF | Architectures and Framework |
| AF | Availability of the Fiber Cable |
| AF | Artificially Feeding/Fed |
| AF | Agromart Foundation (Sri Lanka) |
| AF | Architecture Foundation (various locations) |
| AF | Alliance Francophone (French language organization; various locations) |
| AF | Association Football (blog) |