| Abbreviation | Definition |
|---|---|
| ACAF | Advisory Committee on Animal Feedingstuffs |
| ACAHF | Australian Companion Animal Health Foundation |
| ACAM | American College for Advancement in Medicine |
| ACAPHS | Advisory Committee on Agricultural Product Health and Safety (of the European Union) |
| ACAT | Albuquerque Cat Action Team |
| ACDP | Advisory Committee on Dangerous Pathogens (of the Health and Safety Executive) |
| ACEC | Animal Care and Ethics Committee |
| ACENTO | Animal Care and Equine National Training Organization |
| ACF | African Clawed Frog |
| ACF | Agriculture Christian Fellowship |
| ACF | Animal Concerns Forum |
| ACFA | Animal Care Facilities Act |
| ACFP | Animal Confinement Facilities Plan |
| ACGM | Advisory Committee on Genetic Modification |
| ACHHF | Animal Chiropractic And Holistic Health Forum |
| ACLAD | American Committee on Laboratory Animal Diseases |
| ACLAM | American College of Laboratory Animal Medicine |
| ACMS | Animal Cruelty Must Stop |
| ACMSF | Advisory Committee on the Microbiological Safety of Food |
| ACP | Acepromazine |