Canada. They won 14 Golds at the 2010 Winter Olympics.
Mark Andrew Spitz
Most decorated swimming, most Olympic gold medals all time, and most Olympic Gold medals in a single game.
Being an Olympic Swimmer that won 7 gold medals in a single Olympics.
Micheal phelps
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.
Michael Phelps
USA broke the record for Most medals won at a single Winter Olympics by a country, with a mark of 37 just inching past the 36 medals won by Germany in 2002.
He was to the first man to win 7 gold medals in a single Olympics.
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.
Eric Heiden's record for the most medals won in a single Olympic Games was broken by Norwegian cross-country skier Bjørn Dæhlie. Heiden achieved his record by winning five gold medals in speed skating at the 1980 Lake Placid Olympics. Dæhlie surpassed this feat by winning eight medals, including seven golds, over the course of the 1994 Lillehammer and 1998 Nagano Olympics.