USSM
| Acronym | Definition |
|---|---|
| USSM | Ultra Screen Saver Maker (computer screen software) |
| USSM | Unione Societa Sportive Monzesi (Italian: Union Sports Clubs Monzesi; Monza, Italy) |
| USSM | Uluslararasi Savas Suçlari Mahkemesi (Turkish war crimes tribunal) |
| USSM | Ultimate Super Soccer Management (fantasy soccer organization) |