| Abbreviation | Definition |
|---|---|
| APSACS | Army Public Schools and College System |
| APSC | Army Personnel Systems Committee |
| APSN | Army Public School Noida |
| APSS | ABIC (Army Battlefield Interface Concept) Program Support System |
| APSS | ABIC Program Support System |
| APT | Advanced Platform Technology |
| APTAAM | Advanced Processor Technology for Air to Air Missiles |
| APTC | Army Physical Training Corps |
| APTF | Aircraft Performance Task Force |
| APTO | Advanced Power Technology Office (USAF) |
| APTS | Army Physical Training School |
| APTU | Army Participating Test Unit |
| APTW | Acquisition Program Transition Workshops |
| APTY | Air Power TheorY |
| APU | Armored Personnel Unit |
| APU | Auxiliary Power Unit |
| APW | Air Pressurized Water |
| APW | Anti Personnel Weapon |
| APWG | Architecture and Planning Working Group |
| APWSF | Advanced Processor for Weapon Sensor Fusion |