Athletics at the 1984 Summer Olympics – Men's 100 metres
The men's 100 metres sprint event at the 1984 Olympic Games took place between August 3 and August 4. Eighty-two athletes from 59 countries participated. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress. The event was won by Carl Lewis of the United States, that nation's first title after two Games of missing the podium (4th in 1976, boycotted in 1980). Canada's Ben Johnson took bronze to break up the Americans' bid to sweep the podium (which they had done in 1904 and 1912); it was Canada's first medal in the event since 1964.