1997 World Championships in Athletics – Men's 400 metres hurdles

These are the official results of the Men's 400 metres Hurdles event at the 1997 IAAF World Championships in Athens, Greece. There were a total number of 51 participating athletes, with seven qualifying heats, three semi-finals and the final held on Monday 4 August 1997.

Semi-finals

 * Held on Sunday 1997-08-03

Qualifying heats

 * Held on Saturday 1997-08-02