UISG
| Acronym | Definition |
|---|---|
| UISG | User Interface Software Group |
| UISG | Urban Information Systems Group |
| UISG | University of Iowa Student Government |
| UISG | Unione Internazionale Superiore Generali (Italian: International Union of Superiors General; Rome, Italy) |
| UISG | Union Internationale des Sciences Géologiques |
| UISG | Union of International Superiors General (Rome, Italy) |
| UISG | Utility Industry Standards Group |