USMC
| Acronym | Definition |
|---|---|
| USMC | United States Marine Corps |
| USMC | Uncle Sam's Misguided Children |
| USMC | U Suckers Missed Christmas |
| USMC | United Shoe Machinery Corporation |
| USMC | United States Manufacturing Corporation (Rutledge, TN) |
| USMC | United States Marine Commission (World War II era merchant control body) |
| USMC | Uterine Smooth Muscle Cell |
| USMC | US Monster Club (car club; France) |