ONIC
| Acronym | Definition |
|---|---|
| ONIC | Organización Nacional Indígena de Colombia (Spanish: National Indigenous Organization of Colombia) |
| ONIC | Oman National Investment Corporation |
| ONIC | Orlando Neighborhood Improvement Corporation (est. 1989; Orlando, FL) |
| ONIC | Organic National and International Certifiers (Lincolnwood, IL) |
| ONIC | Office National Inter-Professionnel des Céréales |