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

A team of 11 athletes was announced to represent the country in the event.

[1][2] The following athletes appeared on the preliminary Entry List,[2] but not on the Official Start List of the specific event,[3] resulting in total number of 9 competitors: The following Belgian competitor won a medal at the Championships Decathlon Heptathlon