Archibald Joseph Mason (February 9, 1889 – November 16, 1974) was a theatre owner and political figure in Nova Scotia, Canada.
He represented Cumberland Centre in the Nova Scotia House of Assembly from 1950 to 1953 as a Liberal member.
He was born in Birmingham, England, the son of Joseph I. Mason and Isabella Laugher.
Mason came to Canada with his family in 1902.
Mason was president of the Maritimes Motion Picture Exhibitors Association.