The men's 100 metres at the 1971 European Athletics Championships was held in Helsinki, Finland, at Helsinki Olympic Stadium on 10 and 11 August 1971.
11 August Wind: -1.3m/s
11 August
Wind: 0m/s
Wind: 0m/s
10 August
Wind: -1.6m/s
Wind: -1.3m/s
Wind: -0.2m/s
Wind: 0m/s
According to an unofficial count, 29 athletes from 18 countries participated in the event.