These are the official results of the Men's Decathlon competition at the 1997 World Championships in Athens, Greece. There were a total number of 34 participating athletes, including fourteen non-finishers. The competition started on August 5, 1997, and ended on August 6, 1997. At over 41%, this edition of the men's decathlon is notable for having the highest fraction of athletes not finishing the competition in the World Championships history. This was equalled 20 years later during the 2017 World Championships in Athletics.