| Acronym | Definition |
|---|
| ONC | Office of the National Coordinator for Health Information Technology (United States Government Health and Human Services) |
| ONC | Open Network Computing (Distributed Applications Architecture) |
| ONC | One Newark Center (Newark, NJ) |
| ONC | Open Network Computing |
| ONC | Operational Navigation Chart |
| ONC | Office National de la Chasse (France) |
| ONC | Orion Nebula Cluster |
| ONC | Osaka University Nakanoshima Center (Osaka, Japan) |
| ONC | Ordinary National Certificate (UK) |
| ONC | One Number Census (UK) |
| ONC | Octanitrocubane (explosive) |
| ONC | Office National de Conciliation |
| ONC | Old Navy Card |
| ONC | Orthopaedic Nursing Certified |
| ONC | Organic Network Committee |
| ONC | Optimum Network Configuration (network routing) |
| ONC | Organisation Nationale de Crise (French: National Crisis Organization) |