| Abbreviation | Definition |
|---|---|
| APCSM | Animal Protection Center of Southeeastern Massachusetts |
| APCSM | Animal Protection Center of Southern Massachusetts |
| APCU | Animal Procedures Coroners Unit |
| APE | Animal Property Editor |
| APEA | Animal Protection and Education Association |
| APED | Animals Protrude Eerie Deoderent |
| APF | Animal Protective Foundation |
| APHA | Animal and Plant Health Agency |
| APHA | Animal Plant Health Agency |
| APHI | Animal Population Health Institute |
| APHIS | Animal and Plant Health Inspection Servie |
| APHIS | Animal Plant Health Inspection Service |
| APL | Animal Planet Live |
| APL | Animal Protective League |
| APLAC | Administrative Panel on Laboratory Animal Care |
| APP | Animal Protection Party |
| APPI | Animal Protein Producers Industry |
| APQA | Animal and Plant Quarantine Agency |
| APS | Animal Protection Services |
| APS | Animal Protection Society |