Mary Therese Friel (born 1960) is a beauty queen and business woman from New York who has held the title Miss USA 1979.
Friel, who grew up in Pittsford, New York won the titles Miss New York USA and Miss USA. She was later a model, and opened her own modelling agency in 1987. She currently trains and represents a large number of models, as well as training beauty pageant participants.