SOSR
| Acronym | Definition |
|---|---|
| SOSR | Some Other Substantial Reason (employment; human resources) |
| SOSR | Suppress, Obscure, Secure, and Reduce (US DoD) |
| SOSR | Southern Ontario Sheltie Rescue (Canada) |
| SOSR | Statistical Office of the Slovak Republic |
| SOSR | Shadow of the Serpent Riders (gaming) |
| SOSR | Save Owasippe Scout Reservation (Chicago, IL) |
| SOSR | single-operator single-robot |