UIL
| Acronym | Definition |
|---|---|
| UIL | University Interscholastic League |
| UIL | Unione Italiana del Lavoro (Italian Trade Union) |
| UIL | User Interface Library |
| UIL | User Interface Layer |
| UIL | University of Illinois |
| UIL | Utrecht Institute of Linguistics (Netherlands) |
| UIL | User Interface Language |
| UIL | University-Industry Liaison (various locations) |
| UIL | UNIVAC Interactive Language |
| UIL | Utility Interface Language |
| UIL | Unit Ineligibility Listing |