| Acronym | Definition |
|---|
| TFOS➣Teenagers From Outer Space (RPG) |
| TFOS➣Tear Film and Ocular Surface Society |
| TFOS➣Terrorism Financing Operations Section (US Federal Bureau of Investigation) |
| TFOS➣Total Federal Officer Service |
| TFOS➣Tank Farm Operations Subcouncil |
| TFOS➣Technical Follow On Support |
| TFOS➣The Forum of Stuff |