| Abbreviation | Definition |
|---|---|
| INIC | IRAN Nanotechnology Initiative Council |
| INSC | International Nuclear Societies Council |
| INWC | Inland Northwest Wildlife Council |
| IOC | International Olive Council |
| IOC | International Olympic a Council |
| IOMC | International Online Medical Council |
| IOOC | International Olive Oil Council |
| IOSC | Industrial Occupational Safety Council |
| IOWC | Interagency Offshore Wind Council |
| IPAC | Industry and Professional Advisory Council |
| IPAC | International Parent Advisory Council |
| IPAC | International Personnel Assessment Council |
| IPC | Inter Professional Council |
| IPC | International Photographic Council |
| IPC | International Psoriasis Council |
| IPC | Invasive Plant Council |
| IPCA | Insulated Panel Council Australasia |
| IPCC | Irish Peatland Conservation Council |
| IPSC | Indian Plumbing Skills Council |
| IPTC | International Press and Telecommunications Council |