| Acronym | Definition |
|---|
| OSIC | One Stop Investment Centre (Nigeria) |
| OSIC | OpenStack Innovation Center |
| OSIC | Ordered Successive Interference Cancellation |
| OSIC | Office of the Scottish Information Commissioner (UK) |
| OSIC | Oceania Sport Information Centre (est. 1997; Fiji) |
| OSIC | Operational Stress Injury Clinic |
| OSIC | Open Software Innovation Center (Chengdu, China) |
| OSIC | On Site Installation Coordinator (shipboard alteration installation team) |
| OSIC | Overseas Special Intention Company (exchange control structures) |
| OSIC | Outside in Company (Netherlands) |