The 110 metres hurdles at the 2007 World Championships in Athletics was held at the Nagai Stadium in Osaka, Japan from August 29 to August 31.
Qualification: First 3 in each heat (Q) and the next 9 fastest (q) advance to the semi-finals.
Qualification: First 2 in each semi-final (Q) and the next 2 fastest (q) advance to the final.