John York (born 7 October 1960) is an American marathon swimmer and coach who was inducted as an Honour Swimmer in the International Marathon Swimming Hall of Fame in 1989. York is the King of the Catalina Channel with the most number of successful crossings of the Catalina Channel in Southern California, U.S.A. He completed crossings in 1966, 1966, 1968 and 1984, including the fastest double-crossing of 16 hours 42 minutes in 1968. He also swam the English Channel in 1988 and has coached numerous swimmers across the Catalina Channel , including USA National Team swimmers.