| Acronym | Definition |
|---|
| OSSC | Open Source Scan Converter (video game processing) |
| OSSC | Operatore Socio Sanitario con formazione Complementare |
| OSSC | Oregon Structural Specialty Code |
| OSSC | Oregon School Study Council (University of Oregon; Eugene, OR) |
| OSSC | Orchid Society of Southern California (Burbank, CA) |
| OSSC | Offshore Safety and Survival Centre (St Johns, Newfoundland and Labrador, Canada) |
| OSSC | Open Source Software Center |
| OSSC | Orissa State Seeds Corporation (India) |
| OSSC | Oil Spill Service Centre (UK) |
| OSSC | Officer Student Spouse's Club (US Navy) |
| OSSC | Original Softshell Case (guitar) |
| OSSC | One Sprint Sales Center |
| OSSC | On Scene Surveillance Coordinator |
| OSSC | Operational System Support Center |
| OSSC | Old Saybrook Soccer Club (Old Saybrook, CT) |
| OSSC | Orkla Shared Service Centre |