| Acronym | Definition |
|---|
| IIIC➣Irish International Immigrant Center (Boston, MA) |
| IIIC➣International Independent Investigation Commission |
| IIIC➣International Intraocular Implant Club (Wayzata, MN) |
| IIIC➣International Information Industry Congress |
| IIIC➣Industry Institute Interaction Cell (business and academic cooperative group; various locations) |
| IIIC➣International Institute of Informatics and Cybernetics (various locations) |
| IIIC➣International Institute for Intellectual Cooperation (League of Nations) |