FIAV
| Acronym | Definition |
|---|---|
| FIAV | Fédération Internationale des Associations Vexillologiques |
| FIAV | Festival d'Images Artistiques Vidéo (French: Artistic Images Video Festival; Morocco) |
| FIAV | Fast Idle Air Valve (engines) |
| FIAV | Federazione Internazionale Associazioni Vessilli (Italian: International Federation of Associations Banners) |
| FIAV | Federation International des Association des Veuves |