| Abbreviation | Definition |
|---|---|
| UI | University And Industry |
| UI | University Industry |
| UI | University of Ibadan |
| UI | University of Illinois |
| UI | Urban Institute |
| UIA | Universidad IberoAmericana |
| UIA | Universidad Internacional de las Americas |
| UIA | University Innovation Alliance |
| UIA | University Insurance Association |
| UIAA | University of Illinois Alumni Association |
| UIAB | University Industry Advisory Board |
| UIAIA | University of Illinois Aggregate Image Analyzer |
| UIB | Universitas Internasional Batam |
| UIB | Universitat de les Illes Balears |
| UiB | Universitetet i Bergen |
| UIB | University of Idaho Boise |
| UIB | University of International Business |
| UIBC | University of Iowa Back Care |
| UIBC | University of Iowa Badminton Club |
| UIBE | University of Internatioanl Business and Economics |