WSSU may refer to:
Winston-Salem State University WSSU (FM), a radio station (88.5 FM) licensed to serve Superior, Wisconsin, United States WUIS, a radio station (91.9 FM) licensed to serve Springfield, Illinois, United States, which held the call sign WSSU from 1989 to 1995 KUWS, a radio station (91.3 FM) licensed to serve Superior, Wisconsin, which held the call sign WSSU from 1966 to 1988