| Acronym | Definition |
|---|
| Fil | Filipino |
| Fil | Filter |
| Fil | Fillmore (Amtrak station code; Fillmore, CA) |
| Fil | Financial Institution Letter |
| Fil | Fremont Investment and Loan (California) |
| Fil | Federazione Italiana Lavoratori (Italian: Italian Federation of Workers) |
| Fil | Father-In-Law |
| Fil | Formations en Informatique de Lille (French computer training school) |
| Fil | Fall in Love |
| Fil | Foundation in Light (Santa Fe, NM) |
| Fil | Fidelity International, Ltd. |
| Fil | Feira Internacional de Lisboa |
| Fil | Fanuc India Private Limited (Karnataka, India) |
| Fil | Fundacion Instituto Leloir (Spanish: Leloir Institute Foundation; Argentina) |
| Fil | Farnborough International Limited (trade organization; UK) |
| Fil | File Template |
| Fil | Filter List |
| Fil | Files List |
| Fil | Fédération Internationale de Laiterie (International Dairy Federation) |
| Fil | Federation Informatique et Libertes (French: Computer and Freedom Federation) |
| Fil | France Ingénierie Logistique (French: France Engineering Logistics) |
| Fil | Foreign Investment Law |
| Fil | Federation International de Luge (Spanish: International Luge Federation) |
| Fil | Forever In Love |
| Fil | Fool In Love |
| Fil | Forum for Interlending |
| Fil | Festival International de Louisiane |
| Fil | Fellow of the Institute of Linguists |
| Fil | Festival Internacional del Libro |
| Fil | Functional Impairment Level |
| Fil | Filipino/Philippin (language) |
| Fil | FAST Information List |
| Fil | Flow Instability Limit |