| Acronym | Definition |
|---|
| IAFF➣International Association of Fire Fighters |
| IAFF➣Irish Amateur Fencing Federation |
| IAFF➣International Animated Film Festival |
| IAFF➣International Advertising Film Festival (now Cannes Lions International Festival of Creativity; Cannes, France) |
| IAFF➣Indo-American Friendship Foundation |
| IAFF➣International Amputee Football Federation |
| IAFF➣Impairment-Aware First-Fit |
| IAFF➣International American Football Federation |
| IAFF➣Initial Attorney Fee File |
| IAFF➣International Arts & Film Foundation |
| IAFF➣International Air Freight Forwarder |