| Acronym | Definition |
|---|
| IARC | International Agency for Research on Cancer (World Health Organization) |
| IARC | International Aerial Robotics Competition (Association for Unmanned Vehicle Systems International) |
| IARC | International Arctic Research Center |
| IARC | Indian Arts Research Center (Santa Fe, NM) |
| IARC | International Agricultural Research Center |
| IARC | Internal Agency for Research on Cancer |
| IARC | Individual Aircraft Record Card |
| IARC | Irving Amateur Radio Club, Inc (Texas, USA) |
| IARC | Illinois Association of Recycling Centers (now Illinois Recycling Association) |
| IARC | Izaña Atmospheric Research Center (Spain) |