| Acronym | Definition |
|---|
| UIB | Universitat de Les Illes Balears |
| UIB | Universitetet I Bergen (University of Bergen) |
| UIB | Union Internationale de Banques (French: International Union of Banks; Tunisia) |
| UIB | Universal Interface Board |
| UIB | User Interface Block |
| UIB | Quibdo, Colombia (Airport Code) |
| UIB | Unemployment Insurance Benefit(s) |
| UIB | United International Bank (various locations) |
| UIB | United Insurance Brokers Ltd. (UK; est. 1987) |
| UIB | User Interface Builder |
| UIB | Used in Box (classified ads) |
| UIB | United Industrial Bank |
| UIB | Upshaw Institute for the Blind |
| UIB | Universal In Box |
| UIB | User Is Blocked |