| Meaning | Category |
| Uige, Angola | Regional->Airport Codes |
| Ultimate God Oasis | Community->Religion |
| UnderGround Online | Internet |
| Unified Gamers On-line | Community->Sports |
| United Gamers Online | Community->Sports |
| University Grievance Office | Academic & Science->Universities |
| User Group Order | Internet->Chat |
| User Group Other | Internet->Chat |
| User Group Others | Internet->Chat |
| User, Group, and Other | Computing->Security |
Click here to submit an acronym.
