These are the official results of the men's 110 metres hurdles event at the 1983 IAAF World Championships in Helsinki, Finland.

There were a total number of 28 participating athletes, with four qualifying heats, two semi-finals and the final held on 12 August 1983.

[1] Existing records at the start of the event.

The first 3 athletes in each heat ( Q ) and the next 4 fastest ( q ) qualified for the semifinals.

The first 4 athletes in each heat ( Q ) qualified for the final.