UUS
| Acronym | Definition |
|---|---|
| UUS | Yuzhno-Sakhalinsk (Russia) |
| UUS | User to User Signaling |
| UUS | Ununseptium (ekapolonium, element 117; hypothesized, yet to be discovered as of 2001) |
| UUS | Ullevål Universitetssykehus HF (Norwegian Teaching Hospital) |
| UUS | Unitarian Universalist Society (various locations) |
| UUS | User to User Signaling (on ISDN) |
| UUS | Unisys User Support (The ServiceDesk for the Unisys Corp.) |