Through the 2008 Games, the most medals won is four by two athletes ... Seong-Ok Oh of South Korea (1 gold, 2 silver, 1 bronze) and Andrev Lavrov who has represented USSR, Russia, and the Unified Team (3 gold, 1 bronze).
Michael Phelps (22 medals).
Currently Michael Phelps holds the world record for the most Olympic medals won at 22 medals.
Michael Phelps the SWIMMER
The most successful and decorated Olympic athlete as of 2014 is Michael Phelps. He has 22 Olympic medals with 18 being gold medals.
Micheal Phelps
Michael Phelps of the US has the most olympic gold medals (14 total in 2004 and 2008) and the most medals by a male athlete (16 including his 2 bronze medals).
Larissa Latynina (USSR) has won the most number of medals in the Olympic Games with an incredible tally of 18 medals (9 gold, 5 silver and 4 bronze).Micheal Phelps (USA) has won the most medals by a male athlete with 16 (14 gold and 2 silver) and he has won the most Olympic Gold Medals with 14.
Michael Phelps (8).
Bjørn Dæhlie
The record for the most Olympic medals is held by Soviet gymnast Larissa Latynina. Competing in three Olympics, between 1956 and 1964, she won 18 medals.
Ole Einar Bjørndalen has won the most Winter Olympic medal with 13 total medals. The American with the most Winter Olympic medals is Apolo Anton Ohno with 8 total medals.
Raymond Ewry or Carl Lewis. See list.