South Korea competed at the 2011 World Championships in Athletics from August 27 to September 4 in Daegu, South Korea as the host nation.

A team of 63 athletes was announced to represent the country in the event.

The team was led by 110-meter hurdler Park Tae-kyong.

Furthermore, the team includes 3 athletes invited by the IPC for exhibition events: Jung Dong-ho and Yoo Byung-hoon, 400m T53 (wheelchair) men, and Kang Kyung-sun, 800m T54 (wheelchair) women.

[1] The following athletes appeared on the preliminary Entry List,[1] but not on the Official Start List of the specific event,[2] resulting in a total number of 53 competitors: Decathlon