United States at the 2016 Summer Olympics the most successful not held in the United States: St. Louis had 239 total medals won in 1904, and Los Angeles had 174 in 1984. These Games also witnessed the thousandth Summer Olympic gold medal for the Americans. The following U.S. competitors won medals at the games. In the by discipline sections below, medalists' names are bolded. <nowiki>*</nowiki> – Indicates the athlete competed in preliminaries but not the final The following is the list of number of competitors in the Games. Note that reserves in field hockey, football, and handball are not counted as athletes: Three U.S. archers qualified for
Romania at the 2012 Summer Olympics Romania at the 2012 Summer Olympics Romania competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation has competed at the Summer Olympic Games since its official debut in 1924, missing only two editions, including the 1948 Summer Olympics. Despite being London's third Olympic Games, this is the first time the Romanian team has competed in London. The Romanian Olympic and Sports Committee (, "COSR") sent a total of 103 athletes to the Games, 54 men and 49 women, to compete in 14 sports. Romania left London with a total of 9 medals