The men's 110 metres hurdles at the 2013 World Championships in Athletics was held at the Luzhniki Stadium on 11 and 12 August.

[1] Prior to the competition, the records were as follows: Heats were held on 11 August.

Wind:Heat 1: +0.5 m/, Heat 2: -0.3 m/, Heat 3: +0.5 m/, Heat 4: -0.6 m/ Qualification: First 3 in each heat (Q) and the next 3 fastest (q) advanced to the semifinals.

[2] Qualification: First 3 in each heat (Q) and the next 2 fastest (q) advanced to the final.

[3] Wind: Heat 1: −0.3 m/s, Heat 2: −0.3 m/s.