| Abbreviation | Definition |
|---|---|
| ACL | Allowable Cabin Load |
| ACL | Allowable Cargo Load |
| ACL | Armored Combat League |
| ACLANT | Allied Command Atlantic |
| ACLC | Army Cadet League of Canada |
| ACLDS | Army Central Logistics Data Bank |
| ACLOS | Automatic Command-to-Line-of-Sight |
| ACLP | Affiliated Contingency Load Planning |
| ACLS | Automatic Carrier Landing System |
| ACLSVF | Armored Combat Logistics Support Vehicle Family |
| ACM | Active Component Military |
| ACM | Additional Crew Member |
| ACM | Advanced Conventional Munitions |
| ACM | Advanced Cruise Missile |
| ACM | Aerial Combat Maneuvers |
| ACM | Air Combat Maneuver |
| ACM | Air Combat Maneuvers |
| ACM | Air Contingency MAGTF (Marine Air-Ground Task Force) |
| ACM | Airspace Control Measures |
| ACM | Airspace Coordinating Measure |