POSR
| Acronym | Definition |
|---|---|
| POSR | Parti Ouvrier Socialiste Revolutionnaire (French: Revolutionary Socialist Workers' Party) |
| POSR | Pre-Operation Safety Review |
| POSR | Point Of Sale Replenishment |
| POSR | PolySocial Reality |
| POSR | Peacetime Operating Stock Requirement |
| POSR | Point of Sale Reservation |