The 2012 IAAF World Indoor Championships in Athletics was the 14th edition of the global-level indoor track and field competition and was held between March 9–11, 2012 at the Ataköy Athletics Arena in Istanbul, Turkey. It was the first of four IAAF World Athletics Series events in 2012, which includes the World Race Walking Cup, the World Junior Championships and the World Half Marathon Championships.

In 2012 the foremost competition in athletics was the 2012 Summer Olympics in London. The International Association of Athletics Federations held four other global level competitions in 2012: the 2012 IAAF World Indoor Championships, 2012 IAAF World Race Walking Cup, 2012 World Junior Championships in Athletics and the 2012 IAAF World Half Marathon Championships.