<P> Of the 204 NOCs participating , 85 received at least one medal ; 55 won at least one gold medal . Athletes from the United States won the most gold medals , with 46 , and the most overall , with 103 . Michael Phelps and Missy Franklin won the most gold medals at the games with four each . Phelps also won the greatest number of medals overall winning six in total . Bahrain , Botswana , Cyprus , Gabon , Grenada ( a gold medal ) , Guatemala , and Montenegro won their first Olympic medals . In prior Olympics , however , Montenegrin athletes have won medals as nationals of Serbia and Montenegro and of Yugoslavia . An athlete from Serbia won the first Olympic gold medal for the country as an independent NOC , however , Serbian athletes have previously won gold medals as nationals of Serbia and Montenegro and of Yugoslavia . Moldova lost all the medals it had won and Cameroon won all its medals due to medals reallocation after retesting of doping samples in 2016 . </P>
<P> Of the 204 NOCs participating , 85 received at least one medal ; 55 won at least one gold medal . Athletes from the United States won the most gold medals , with 46 , and the most overall , with 103 . Michael Phelps and Missy Franklin won the most gold medals at the games with four each . Phelps also won the greatest number of medals overall winning six in total . Bahrain , Botswana , Cyprus , Gabon , Grenada ( a gold medal ) , Guatemala , and Montenegro won their first Olympic medals . In prior Olympics , however , Montenegrin athletes have won medals as nationals of Serbia and Montenegro and of Yugoslavia . An athlete from Serbia won the first Olympic gold medal for the country as an independent NOC , however , Serbian athletes have previously won gold medals as nationals of Serbia and Montenegro and of Yugoslavia . Moldova lost all the medals it had won and Cameroon won all its medals due to medals reallocation after retesting of doping samples in 2016 . </P>
which country won the maximum number of gold medals at the london olympics 2012
which country won the maximum number of gold medals at the london olympics 2012
United States
United States