AIF
- Alternative investment fund
- American India Foundation
- American Indoor Football
- Amsterdam Institute of Finance
- Anti-Fascist Internationalist Front
- Apoptosis-inducing factor
- Arbeidernes Idrettsforbund
- Argument Interchange Format
- Argumenty i Fakty
- Arm Image Format
- Asian Institute of Finance
- Aspen Ideas Festival
- Association internationale des femmes
- Atlantic Innovation Fund
- Atomic Industrial Forum
- Audio Interchange File Format
- Australians in Film
- Financial Information Authority (Vatican City)
- First Australian Imperial Force
- Second Australian Imperial Force
- The American Ireland Fund
- ÅIF (disambiguation)