Canada competed at the 2013 World Championships in Athletics in Moscow, Russia, from 10–18 August 2013.

A team of 45 athletes represented the country in the event.

[1] Canada won a total of 5 medals at the event, the most ever surpassing the 1995 edition in which the country won 4 medals.

[2] The following competitors from Canada won medals at the Championships (q – qualified, NM – no mark, PB – personal best, SB – season best)