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AIFF 
Summary
AIFF may refer to:
- Audio Interchange File Format
- All India Football Federation, the national governing body of Association football in India
Film festivals edit
- Addis International Film Festival, Addis Ababa, Ethiopia
- Alexandria International Film Festival, Alexandria, Egypt
- Anchorage International Film Festival, Anchorage, Alaska, United States
- Atlantic International Film Festival, Halifax, Nova Scotia, Canada