Arnt Gudleik Hagen (17 August 1928 - 27 July 2007) was a Norwegian politician for the Centre Party.
He was born in Eid.
He was elected to the Norwegian Parliament from Møre og Romsdal in 1965, and was re-elected on two occasions. He had previously served in the position of deputy representative during the term 1961 - 1965.
Hagen was a member of Molde city council during the term 1963 - 1967.