| Acronym | Definition |
|---|
| OSCI➣Open SystemC Initiative |
| OSCI➣Online Services Computer Interface |
| OSCI➣Open System C Initiative |
| OSCI➣Oscient Pharmaceuticals Corp. (stock symbol) |
| OSCI➣One Stroke Certified Instructor |
| OSCI➣Oberon System and Compiler Implementations |
| OSCI➣Ohio Science Institute |
| OSCI➣Oregon State Correctional Institution |
| OSCI➣Octal Serial Communication Interface |
| OSCI➣Oshkosh Correctional Institution (Wisconsin) |
| OSCI➣Office for Social Concern and Involvement |
| OSCI➣Onderwijs, Sociale zaken, Cultuur en Integratie |
| OSCI➣Office of Security Operation-Iraq (Office of Security Operation-Iraq) |
| OSCI➣Oral Sciences |
| OSCI➣Omaha Soaring Club, Inc. |
| OSCI➣Owner Supplied Contractor Installed (building construction) |
| OSCI➣Ontario Stem Cell Initiative (Ontario, Canada) |