The men's 200 metres was an event at the 1996 Summer Olympics in Atlanta, Georgia. There were 78 participating athletes from 57 nations, with eleven qualifying heats (78), five quarterfinal races (40), two semifinals (16) and a final (8). The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Michael Johnson of the United States, the nation's fourth consecutive and 16th overall victory in the event. Frankie Fredericks of Namibia won his second straight silver medal, the eighth man to win multiple medals in the 200 metres. Ato Boldon earned Trinidad and Tobago's first medal in the event with his bronze.

Michael Duane Johnson is an American retired sprinter who won four Olympic gold medals and eight World Championships gold medals in the span of his career. He held the world and Olympic records in the 200 m and 400 m, as well as the world record in the indoor 400 m. He also once held the world's best time in the 300 m. Johnson is generally considered one of the greatest and most consistent sprinters in the history of track and field.