Marie Lovise Widnes (born 1 November 1930 in Vanylven) is a Norwegian poet, author, singer, composer, and politician for the Socialist Left Party.
She was elected to the Norwegian Parliament from Møre og Romsdal in 1989, but was not re-elected in 1993.
She had previously served in the position of deputy representative for the Labour Party during the term 1954–1957.
Widnes was a member of Hareid municipality council in the periods 1971–1975, 1983–1987 and 1987–1989, and of Møre og Romsdal county council between 1975 and 1987.
She had quite a big hit with "Gangdøra" (1957)