Walter Francis Sullivan (June 10, 1928 – December 11, 2012) was an American prelate of the Roman Catholic Church. He served as the eleventh bishop of the Diocese of Richmond in Virginia from 1974 to 2003. Sullivan served as an auxiliary bishop of the same diocese from 1970 to 1974. From 2003 until his death, Sullivan resided in Saint Paul's Parish in Richmond and continued to be active in the diocese, assisting his successor Bishop Francis X. DiLorenzo.