OSIR
| Acronym | Definition |
|---|---|
| OSIR | Osrodek Sportu I Rekreacji (Polish: Sports and Recreation) |
| OSIR | Oil Spill Intelligence Report |
| OSIR | Open Source Information Retrieval (workshop) |
| OSIR | Office of Scientific Investigation and Research |
| OSIR | Organization for Scientific Investigation and Research |
| OSIR | Objective Status Issues Recommendations |
| OSIR | Office of Information Services and Resources |
| OSIR | Outbreak and Surveillance Investigation Report (electronic journal; International Field Epidemiology Training Program; Thailand) |