USAN


AcronymDefinition
USANUnion of South American Nations (intergovernmental association)
USANUnited States Adopted Name
USANUnited States Advanced Network (est. 1989; Norcross, GA)
USANUniversity Satellite Network
USANUnivalue Segment Assimilating Nucleus
USANUnited States African Network
USANUnited States Approved Name (pharmaceuticals)