UMSS
| Acronym | Definition |
|---|---|
| UMSS | Universidad Mayor de San Simon (Spanish: Greater University of San Simon; Cochabamba, Bolivia) |
| UMSS | Usb Mass Storage Sample |
| UMSS | Usb Mass Storage Specification |
| UMSS | University of Michigan Sedation Scale |
| UMSS | UML/MDA to Software Systems |
| UMSS | Upper Minnetonka Sailing School (Minnesota) |