| Abbreviation | Definition |
|---|---|
| APRA | Advance Research Project Agency (now DARPA) |
| APRB | Acquisition Plan Review Board |
| APRD | Army Personnel Records Division |
| APRF | Aerophysics/ Propulsion Research Facility |
| APRL | Army Prosthetic Research Lab |
| APRS | Automatic Position Reporting System |
| APRT | Army Physical Readiness Test |
| APS | Advanced Planning System |
| APS | Advanced Power System |
| APS | Aerial Port Squadron |
| APS | Armor Protection System |
| APS | Army Planning System |
| APS | Army Pre-positioned Stocks |
| APS | Army public school |
| APS | ASARS (Advanced Synthetic Aperture Radar System) Processing Segment |
| APS | Automatic Provisioning System |
| APS | Auxiliary Power System |
| APS-3 | Army Pre-positioned Stocks Afloat |
| APSACS | Army Public School And Collage System |
| APSACS | Army Public School and College System |