| Abbreviation | Definition |
|---|---|
| ACP | Assign Common Pool |
| ACP | Auto Colt Pistol |
| ACP | Automated Command Post |
| ACP | Automatic Cartridge Pistol |
| ACP | Automatic Centerfire Pistol |
| ACPAA | Army Civilian Personnel Alumni Association |
| ACPERS | Army Civilian Personnel System |
| ACPS | Army Civilian Personnel System |
| ACPS | Asset Component Prototype System |
| ACPT | Air Campaign Planning Tool |
| ACR | ACCS (Army command and Control System) Capability Requirements |
| ACR | Adaptive Combat Rifle |
| ACR | Advanced Combat Rifle |
| ACR | Advanced Concepts Requirements |
| ACR | Aerial Combat Reconnaissance |
| ACR | Air Crew Rescue |
| ACR | Armored Cavalry Regiment |
| ACR | Army Capability Requirement |
| ACR | Army Central Registry |
| ACR | Assign Channel Reassignment |