William Joseph Condon (April 7, 1895 – August 17, 1967) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Great Falls in Montana from 1939 until his death in 1967.
Condon served as pastor of St. Joseph's Parish in Waterville, Washington, for four years.[1] From 1923 to 1929, he was rector of Our Lady of Lourdes Cathedral.[1] While serving as pastor of St. Augustine's Parish in Spokane between 1929 and 1939, he was also secretary to Bishop Charles White (1928-1932), and chancellor (1927-1939) and vicar general (1933-1939) of the diocese.[1]