The country that holds the Guinness Record for most medals won in a single Summer Olympics is The United States, with 239 medals, of which 78 were gold, 82 were silver and 79 were bronze.
Canada won 14 gold medals in the 2010 Vancouver games - the record for a single Winter games.
Australia has won the most Commonwealth Games medals with 2217.
china won the most for its country, and Micheal Phelps won the most for a single participant.
Australia has won the most Commonwealth Games medals with 2216.
In the St Louis games, the U.S. won 235 medals. Germany won the second most that year with 13 total medals. Then in 1984 the US won 174 which is the second most ever won
Kristin Otto (6 Gold medals in a single Olympic).
37 medals overallThe US won a total of 37 medals, breaking the record for most medals won by any country at a single winter Olympic games.
Australia won the most medals at the 2010 Delhi Games with 177 medals.
The United States.