OTSC
| Acronym | Definition |
|---|---|
| OTSC | Over the Scope Clip (endoscopy equipment; Ovesco) |
| OTSC | Order to Show Cause (court order) |
| OTSC | Office of the Texas State Chemist (College Station, TX) |
| OTSC | Otosclerosis |
| OTSC | Oregon Transportation Safety Committee |
| OTSC | Ontario Telephone Service Commission (Ontario, Canada) |