| Acronym | Definition |
|---|
| UDL | Universal Design for Learning |
| UDL | Universitat de Lleida (Spain) |
| UDL | Updata Link (Microsoft) |
| UDL | Universal Driver List |
| UDL | Unique Data List |
| UDL | Universal Data Link |
| UDL | Uniformly Distributed Load (mechanics, building trade) |
| UDL | Urban Debate League |
| UDL | User Defined Label |
| UDL | User Defined Logic |
| UDL | Unit Deployment List |
| UDL | União Desportiva de Leiria (Portugal) |
| UDL | Unique Data Log |
| UDL | UnDead Lords (gaming) |
| UDL | Up/Download (data transfer) |
| UDL | Unfair Dismissal Laws (Australia) |
| UDL | Uniform Double Layer (electrocardiography) |
| UDL | Up/Down Link |
| UDL | United Distillers Limited |
| UDL | Unit Designation List |
| UDL | Unit Detail Listing |
| UDL | Uniform Data Language |
| UDL | User Definable Link |
| UDL | Urban Development Landscapers (Australia) |