AFA
- AFA (automobile)
- ARY Film Awards
- Aborigines' Friends' Association
- Academic Forum for Foreign Affairs
- Accumulatoren-Fabrik AFA
- Ad Fontes Academy
- Admiral Farragut Academy
- Advertising Federation of America
- Afa (mythology)
- Afa Ah Loo
- Afa Anoaʻi
- Afa Anoaʻi Jr.
- Afa, Corse-du-Sud
- Afghani (currency)
- Afro-Asiatic languages
- Afá
- Agentur für Arbeit
- Agriculture and Food Agency
- Air Force Academy, Colorado
- Air Force Association
- Air force academy
- Alberta Foundation for the Arts
- Alternating finite automaton
- Amateur Football Alliance
- American Family Association
- American Farrier's Association
- American Federation of Arts
- American Federation of Astrologers
- American Finance Association
- American Flyers Airline
- American Football Association (1884–1924)
- American Football Association (1978–1983)
- American Forensics Association
- American Forestry Association
- American Freedom Agenda
- Amfonelic acid
- Andorran Financial Authority
- Anime Festival Asia
- Anthology Film Archives
- Anti-Fascist Action
- Anti-Foundation Axiom
- Antifaschistische Aktion
- Antifascistisk Aktion
- Aphanizomenon flos-aquae
- Arena Football Association
- Argentine Football Association
- Arkansas Fire Academy
- Asatru Folk Assembly
- Asian Farmers' Association for Sustainable Rural Development
- Asian Film Awards
- Association of Flight Attendants
- Atheist Foundation of Australia
- Atrial Fibrillation Association
- Australian Family Association
- Austrian Football Association
- Aviafa
- Brazilian Air Force Academy
- British Fencing Association
- General Federation of Free Employees
- Institute of Financial Accountants
- List of anti-corruption agencies
- Portuguese Air Force Academy
- San Rafael Airport (Argentina)
- Trâ Armânami Association of French Aromanians
- United States Air Force Academy