Iceland competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. The nation celebrated its centennial anniversary in the Olympics, having participated at every games since 1912, except for four occasions.
The National Olympic and Sports Association of Iceland sent the nation's third largest delegation to the Games, with a total of 28 athletes, 22 men and 6 women, to compete in 6 sports, including men's handball, the nation's only team-based sport at these Olympic games. Javelin thrower and Olympic hopeful Ásdís Hjálmsdóttir was Iceland's first female flag bearer at the opening ceremony since 2000.
Iceland, however, failed to win a single Olympic medal in London, after the men's national handball team, silver medalists from Beijing, lost to Hungary in the quarterfinal round. Meanwhile, Hjálmsdóttir, who qualified for the final rounds of the women's javelin throw event, finished farther from the standings.