| Abbreviation | Definition |
|---|---|
| MARC | Mobile Area Resource Centre |
| MARC | Multiple Access Reservation Centre |
| MARC | Multi-technology Automated Reader Card |
| MARC | Muti-Technology Automated Reader Card |
| MARCENT | MARine Component, United States CENTral Command |
| MARCENT | Marine Component, USCENTCOM |
| MARCORMATCOM | Marine Corps Materiel Command |
| MARCORSYSCOM | Marine Corps System Command |
| MARCORSYSCOM | Marine Corps Systems Command |
| MARDIS | Modernization Army Research and Development Information System |
| MARDIS | Modernization Army Research and Development System |
| MARDIV | Marine Division |
| MARFOR | Marine Corps Forces |
| MARFOR | Marine Forces |
| MARFOREUR | Marine Corps Forces, Europe |
| MARFORLANT | Marine Corps Forces, Atlantic |
| MARFORNORTH | Marine Corps Forces, North |
| MARFORPAC | Marine Corps Forces, Pacific |
| MARFORPAC | Marine Forces Pacific |
| MARFORPAC | MARine FORes PACific |