| Abbreviation | Definition |
|---|---|
| ASNS | American Society for Nutritional Sciences |
| ASP | American Society of Parasitologists |
| ASP | American Society of Primatologists |
| ASPCA | American Society for the Prevention of Cruelty to Animals |
| ASRB | Australian Society for Reproductive Biology |
| ASS | American Show Shepherd |
| ASTMH | American Society of Tropical Medicine and Hygiene |
| ASV | American Society for Virology |
| ASVDT | American Society of Veterinary Dental Technicians |
| ASVIN | Assessing And Supporting Veterinary Information Need |
| ASVIN | Assessing And Supporting Veterinary Information Needs |
| ASVIN | Assisting and Supporting Veterinary Information Needs Project, of RSLP |
| ASVO | American Society of Veterinary Ophthalmology |
| ASVO | Association of State Veterinary Officers |
| ASVP | Asian Society of Veterinary Pathology |
| ASVP | Australian Society for Veterinary Pathology |
| ASVS | Australian Sheep Veterinary Society |
| AT | Animal Tusk |
| ATA | American Trakehner Association |
| ATA | Animal Transport Association |