| Acronym | Definition |
|---|
| AIFF | Audio Interchange File Format |
| AIFF | All-India Football Federation |
| AIFF | Apple Interchange File Format |
| AIFF | Ashland Independent Film Festival (Ashland, OR) |
| AIFF | Athens International Film Festival |
| AIFF | Advanced Identification Friend or Foe |
| AIFF | Aberdeen International Football Festival |
| AIFF | Arizona International Film Festival |
| AIFF | Adelaide International Film Festival |
| AIFF | Audio Interface File Format |
| AIFF | Air Identification Friend or Foe |
| AIFF | Aivru Image File Format |
| AIFF | Alarm Industry Foundation of Florida |
| AIFF | Audio Image Format File |