Uuu
| Acronym | Definition |
|---|---|
| Uuu | Unununium (element 111) |
| Uuu | Uniface Underground (hacker site) |
| Uuu | Unknown Unix User |
| Uuu | University Unions United (umbrealla organization of college trade unions) |
| Uuu | Ugueth Urtain Urbina (baseball player) |
| Uuu | University Unitarian Universalist |
| Uuu | Universe and Universe's Universal Space Travel (Steven Universe TV show) |