| Acronym | Definition |
|---|
| ICAR | Indian Council of Agricultural Research (India) |
| ICAR | International Conference on Arabidopsis Research (plants) |
| ICAR | International Conference on Advanced Robotics |
| ICAR | Information Centre About Asylum and Refugees (UK) |
| ICAR | I-Chat Auto Reply |
| ICAR | Institute for Conflict Analysis and Resolution (George Mason University; Arlington, VA) |
| ICAR | International Committee for Animal Recording |
| ICAR | International Center for Automotive Research |
| ICAR | Istituto di Calcolo e Reti ad Alte Prestazioni (Institute of High Performance Computing and Networking) |
| ICAR | Igreja Católica Apostólica Romana (Portuguese: Roman Catholic Apostolic Church) |
| ICAR | International Center for Aggregates Research (University of Texas) |
| ICAR | Intermediate Car |
| ICAR | International Community for Alien Research |
| ICAR | International Centre for Asset Recovery (Switzerland) |
| ICAR | International Commission for Alpine Rescue |
| ICAR | Integrated Cellular and Ad-Hoc Relay |
| ICAR | Individual Contract Action Report |
| ICAR | International Center for Aquatic Research (Unites States Olympic Committee) |
| ICAR | Illinois Consortium for Accelerator Research |
| ICAR | Ichirouganaim Council for the Advancement of Rastafari (Barbados) |
| ICAR | Integrated Command Accounting and Reporting System |
| ICAR | International de Crédit Agricole Rural |