IACR Views 7 meanings found IACR is shared by organizations ranging from international cancer registry networks and cryptology research groups to bodies focused on critical realism, community research, and child rights. Medical International Association of Cancer Registries Miscellaneous Institute of Arable Crops Research Integrated Approach to Crop Research Community India Alliance for Child Rights Academic & Science Institute for Applied Community Research Business International Association for Cryptologic Research International Association for Critical Realism