The men's 200 metres at the 2011 World Championships in Athletics was held at the Daegu Stadium on September 2 and September 3. Usain Bolt, the world record holder and defending champion was the favourite going into the race with a world leading time of 19.86 seconds. He had also won his three major races after return from injury convincingly.

The 13th International Association of Athletics Federations (IAAF) World Championships in Athletics was an international athletics competition that was held in Daegu, South Korea. It started on 27 August 2011 and finished on 4 September 2011.