| Abbreviation | Definition |
|---|---|
| APASS | AAVSO Photometric All Sky Survey |
| APASS | Anesthesia Pre Admit Screening Service |
| APAT | Andhra Pradesh Administrative Tribunal |
| APAT | any place any time |
| APAT | Auditory Processing Abilities Test |
| APATHY | Apathetic |
| APATITE | Associative Perusal of APIs That Identifies Targets Easily |
| APATM | Alat Penjernih Air Tanpa Mesin |
| APATM | Apartments |
| APATS | At Platform Automatic Test Systems |
| APAU | Associazione Produttori Apistici Umbri |
| APAV | Advent of PHP Application Vulnerabilities |
| APB | Acid Producing Bacteria |
| APB | Activities Program Board |
| APB | Algemene Publieke Beschouwingen |
| APB | All Pigs Bulletin |
| APB | Already Posted Before |
| APB | Always Pumping the Brakes |
| APB | Ambidextrous Push Button |
| APB | Ansible Playbook Bundle |