Mari Maurstad (born 17 March 1957) is a Norwegian actress. She debuted at Nationaltheatret (the National Theatre) in 1981, and has worked there since. Here she has had roles such as Polly in Brecht's The Threepenny Opera, and Mrs. Sørby in Ibsen's The Wild Duck. She has also acted in outdoor performances of Ibsen's Peer Gynt, and in several one-woman shows. In film and television she is best known for her roles in Drømmeslottet (1986) and Pilen flyttebyrå (TV, 1987). Maurstad took part in the reality show Skal vi danse (based on "Strictly Come Dancing") in 2007.