Curt Masreliez (19 July 1919 – 21 June 1979) was a Swedish stage and film actor. He appeared in more than 50 films and television shows between 1939 and 1973. Masreliez worked at Kungliga Dramatiska Teatern as well as the theatres in Helsingborg, Malmö, Uppsala, and Gothenburg. His work in a 1965 production of Marat/Sade by Peter Weiss was critically acclaimed.