USA
Michael Phelps (8).
USA
The most amount of gold medals ever won at a single Olympic swimming competition was 8, and it was done by Michael Phelps of the US at the Beijing 2008 summer Olympics.
As of now, Ole Einar Bjรธrndalen from Norway has won the most silver medals in the Winter Olympics. He has won a total of six silver medals in biathlon.
he won the most gold medals in the 1972 Olympics in swimming (7)
Michael Phelps, Swimming, 14 gold medals.
michel gorden in swimming in 2008
USA; Micheal Phelps won 8 gold medals in the 2008 Beijing Olympics which includes the USA gold medal;He is also the only swimmer with the most gold medals won in swimming history.
For the Olympics between 1992-2008, that is the United States with 149 (62 gold, 47 silver, 40 bronze).Australia has won the second most swimming medals during that time with 74 (21 gold, 27 silver, 26 bronze).
489 before the 2012 Olympics
109 + swimming