UoI
| Acronym | Definition |
|---|---|
| UoI | University of Ioannina (Ioannina, Greece) |
| UoI | Unit of Interchange |
| UoI | University of Illinois |
| UoI | University of Iowa |
| UoI | Union Of Ontario Indians |
| UoI | Unit of Inquiry (education) |
| UoI | Unit Of Issue |
| UoI | Université de l'Océan Indien (French: University of the Indian Ocean; educational program; various locations) |
| UoI | Urban Outfitters, Inc. |
| UoI | Unless Otherwise Instructed |
| UoI | Utilities Operating Instruction |