| Acronym | Definition |
|---|
| UMAC➣University of Macau |
| UMAC➣Unlicensed Mobile Access Consortium |
| UMAC➣Universal Message Authentication Code |
| UMAC➣Upper Midwest Aerospace Consortium |
| UMAC➣Urban Music Association of Canada |
| UMAC➣Union Monétaire de l'Afrique Centrale (French) |
| UMAC➣Universal Motion and Automation Controller |
| UMAC➣Utility-Maximizing Admission Control |
| UMAC➣Upland Martial Arts Center (Upland, CA) |