USDL

AcronymDefinition
USDLUnited States Department of Labor
USDLUnion Sportive Demi-Lunoise (French: Demi-Lunoise Sports Union; Tassin-la-Demi-Lune, France)
USDLUnix System Development Laboratory
USDLUganda Scholarly Digital Library (Makerere University; Uganda)
USDLUnified Service Description Language (business computing)