Henry Jacob Friendly (July 3, 1903 - March 11, 1986) was an American jurist who served as a federal circuit judge on the United States Court of Appeals for the Second Circuit from 1959 to 1986. He was the court's chief judge from 1971 to 1973 and presided over its specialized railroad court from 1974 to 1986.

Born in Elmira, New York,