| Acronym | Definition |
|---|
| AACR➣American Association for Cancer Research |
| AACR➣Anglo-American Cataloging Rules |
| AACR➣Australasian Association of Cancer Registries |
| AACR➣Association for the Advancement of Civil Rights (political party; Gibraltar) |
| AACR➣American Association of Clinical Research |
| AACR➣Amicale Anglo Cabrio Rennais (French automotive racing group) |
| AACR➣African Armed Conflicts Resolved |