1993 World Championships in Athletics – Men's 400 metres hurdles

These are the official results of the Men's 400 metres Hurdles event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total of 49 participating athletes, with seven qualifying heats, three semi-finals and the final held on Thursday 1993-08-19.

Semi-finals

 * Held on Tuesday 1993-08-17

Qualifying heats

 * Held on Sunday 1993-08-16