| Acronym | Definition |
|---|
| PSOF➣Perfect Strangers of Finland (est. 1998; Deep Purple Appreciation Society) |
| PSOF➣Phase-Stabilized Optical Fiber (physics) |
| PSOF➣Peace Support Operation Facility (EU) |
| PSOF➣Pirate Ship of Fools (website) |
| PSOF➣Planet Soldier of Fortune (online game forum) |
| PSOF➣Pseudo Start of Frame |