William Arthur Kardash (June 10, 1912 – January 17, 1997) was a politician and member of the Legislative Assembly of Manitoba from 1941 until 1958. He served as Winnipeg MLA from 1941 to 1958, as Worker's Candidate at first, then as a representative of the Labor-Progressive Party. He was among the handful of Communists elected in Winnipeg between 1927 and 1983. The youngest child of Ukrainian Canadian parents Danylo Kardash and Ulyta Byck, he was born in Hafford, Saskatchewan and educated at Hafford High School. In 1940, Kardash married Mary Kostaniuk.