SOSB
| Acronym | Definition |
|---|---|
| SOSB | Single Op Single Band (amateur radio classification) |
| SOSB | Special Operations Support Battalion (US DoD) |
| SOSB | South Ottumwa Savings Bank (Iowa) |
| SOSB | Sounds of System Breakdown (band) |
| SOSB | Small Office-Small Business (economy segment) |
| SOSB | Supervisor of Shipbuilding |