| Acronym | Definition |
|---|
| USCM➣United States Conference of Mayors |
| USCM➣United States Colonial Marines (game) |
| USCM➣Union Sportive des Cheminots du Maroc (French: Sports Union of Railwaymen of Morocco; Morocco) |
| USCM➣Unmanned Spacecraft Cost Model |
| USCM➣Universal Service Component Model (telecommunications) |
| USCM➣Unit Simulated Combat Mission (military training) |
| USCM➣United States Campus Ministries |