| Acronym | Definition |
|---|
| ICRO➣International Cell Research Organization (UNESCO; Paris, France) |
| ICRO➣Islamic Culture and Relations Organization (Ministry of Culture and Islamic Guidance; Iran) |
| ICRO➣Irish Cave Rescue Organisation (Ireland) |
| ICRO➣Interallied Confederation of Reserve Officers (est. 1948) |
| ICRO➣International Congress on the Recorder Orchestra |
| ICRO➣International Clinical Research Organisation (Novartis International) |
| ICRO➣Intelligent Church Resources Online |