TFOS
| 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 |