| Acronym | Definition |
|---|
| CMARC➣Central Middlesex Association for Retarded Citizens (Woburn, MA) |
| CMARC➣Carnegie Mellon Advising Resource Center |
| CMARC➣Central Michigan Amateur Radio Club |
| CMARC➣Central Maryland Amateur Radio Club (Greenbelt, MD) |
| CMARC➣Columbia-Montour Amateur Radio Club (Berwick, PA) |
| CMARC➣Construction Management Applied Research Center (Colorado) |