| Abbreviation | Definition |
|---|---|
| ACCA | Advisory Committee on Colleague Assistance |
| ACCAC | Academic Council Committee for Academic Centres |
| ACCCs | Assembly Constituency Congress Committees |
| ACCD | Advisory Committee on Communicable Diseases |
| ACCF | American Committee for Cultural Freedom |
| ACCP | Approval Committee for Certificate Programs |
| ACCTS | Advisory Committee on Clinical and Translational Science |
| ACDP | Advisory Committee on Dangerous Pathogens |
| ACDR | AIDS Committee of Durham Region |
| ACEC | Advisory Committee on Electromagnetic Compatibility |
| ACFR | Advisory Committee on Fishery Reasearch |
| ACGME | Accreditation Committee for Graduate Medical Education |
| ACHAC | Aboriginal Cultural Heritage Advisory Committee |
| ACHT | Advisory Committee on Human Trafficking |
| ACIP | Advisory Committee on Immunization Practices |
| ACLP | Advisory Committee on Library Policy |
| ACOA | Advisory Committee On Aging |
| ACOA | American Committee On Africa |
| ACOBA | Advisory Committee on Business Appointments (UK) |
| ACOD | Advisory Committee for Older and Disabled |