Jon Urbanchek (born János Urbancsok; August 23, 1936 – May 9, 2024) was a Hungarian-born American swimming coach, best known for his 22-year tenure as the head coach of the Michigan Wolverines swimming and diving team of the University of Michigan from 1982 to 2004.[1] He has served as a coach on multiple United States national swim teams, including the U.S. Olympic swim teams in 1988, 1992, 1996, 2000, and 2004, and as a special assistant in 2008 and 2012.
Urbanchek was from Hungary, and left after the 1956 invasion of Hungary by the Soviet Union. [2]