John Finn (born 1952) is an American actor.
John Finn may also refer to:
John Finn (American football) (1895–1970), American football player and coach John William Finn (1909–2010), sailor and Pearl Harbor Medal of Honor recipient USS John Finn, a 2015 Arleigh Burke-class destroyer named for John William Finn John Finn (politician), Canadian politician Jon Finn (born 1958), American rock musician and guitarist