Swimming, FINA Aquatics World Championships, 400 metre individual medley - 400 metre individual medley World Champions, men

1973 András Hargitay
1975 András Hargitay
1978 Jesse Vassallo
1982 Ricardo Prado
1986 Tamás Darnyi
1991 Tamás Darnyi
1994 Tom Dolan
1998 Tom Dolan
2001 Alessio Boggiatto
2003 Michael Phelps
2005 László Cseh
2007 Michael Phelps
2009 Ryan Lochte
2011 Ryan Lochte