| Acronym | Definition |
|---|
| USDL➣United States Department of Labor |
| USDL➣Union Sportive Demi-Lunoise (French: Demi-Lunoise Sports Union; Tassin-la-Demi-Lune, France) |
| USDL➣Unix System Development Laboratory |
| USDL➣Uganda Scholarly Digital Library (Makerere University; Uganda) |
| USDL➣Unified Service Description Language (business computing) |