Knut Haus (8 June 1915 - 23 June 2006) was a Norwegian politician for the Christian Democratic Party.
He was elected to the Norwegian Parliament from Rogaland in 1973, and was re-elected on two occasions. He had previously served in the position of deputy representative during the terms 1961 - 1965, 1965 - 1969 and 1969 - 1973. During his first term as deputy representative he briefly sat as a regular representative, replacing Kjell Bondevik who was appointed to the short-lived cabinet Lyng.
Born in Greipstad, Haus was a member of Klepp municipal council during the terms 1959 - 1963 and 1963 - 1967, and served as deputy mayor from 1971 to 1973. He headed the county party chapter from 1964 to 1969.