| Acronym | Definition |
|---|
| FIFO | First In, First Out |
| FIFO | Festival International du Film Documentaire Océanien (French: Oceania International Documentary Film Festival) |
| FIFO | First in First Out |
| FIFO | Festival International Folklorique d'Octodure (French: Octodure International Folk Festival; Switzerland) |
| FIFO | Festival International du Film Ornithologique (French: Ornithological International Film Festival) |
| FIFO | Fly in Fly Out (mining) |
| FIFO | Fade in Fade Out |
| FIFO | Free in Free Out (shipping) |
| FIFO | Field Inspection Field Office |
| FIFO | Flight Inspection Field Office(s) (FAA) |