Fred Patrick Henning (July 5, 1908 – April 28, 1973) was an American character actor, best known for playing Kayo Dugan in On The Waterfront (1954).

Henning was born in Boston as one of the fourth generation of a theatrical family. He first appeared on stage in a baby carriage at the age of two months as part of a vaudeville show. He traveled with his parents across much of the world, and in that process he became proficient in five languages.