| Acronym | Definition |
|---|
| MACM➣Mutual Assistance in Criminal Matters |
| MACM➣Master of Arts in Christian Ministry |
| MACM➣Michigan Association of Court Mediators (Ann Arbor, Michigan) |
| MACM➣Memory Access Control Matrix |
| MACM➣Master Chief Master At Arms |
| MACM➣Malta Association of Credit Management (est. 2001) |
| MACM➣Maine Academy of Country Music |
| MACM➣Mandatory Access Control Mechanism |
| MACM➣Member of the Association of Computing Machinery |
| MACM➣Master Chief Machine Accountant (Naval Rating) |