| Abbreviation | Definition |
|---|---|
| APSS | Australia Post Superannuation Scheme |
| APSS | Australian Poultry |
| APSS | Australian Poultry Science Symposium |
| APSS | Auto Program Search System |
| APSS | Automated Proactive Solution System |
| APSTM | apertured photon scanning tunneling microscopy |
| APSTM | apertured photon scanning tunnelling microscopy |
| APSTNDP | All People Seem To Need Data Processing |
| APSU | Adult Protective Services Unit |
| APSV | AIDS Project of Southern Vermont |
| APSV | AIDS Project of Southern VT |
| APT | A Pointless Task |
| APT | Acceptable Performance Threshold |
| APT | Active Passive Trainer |
| APT | Actually Phishing Tbh |
| APT | Adams Pro Tour |
| APT | Adaptive Prediction Trees |
| APT | Advanced Polymer Tubing |
| APT | Advanced Process Technologies |
| APT | Alabama Public Television |