Matthew Harvey Clark (born July 15, 1937) is an American prelate of the Roman Catholic Church. He was the Eighth Bishop of Rochester from 1979 until 2012. He was born in Waterford, New York, to Matthew and Grace (née Bills) Clark. He was raised in Troy, New York. Clark has been criticized for being overly tolerant of homosexuality and even challenging the Vatican's position of not allowing homosexual priests.