The men's 100 metres at the 1966 European Athletics Championships was held in Budapest, Hungary, at Népstadion on 30 and 31 August 1966.
31 August Wind: -0.6m/s
31 August
Wind: 0.6m/s
Wind: -1.3m/s
Wind: -0.6m/s
30 August
Wind: -1.3m/s
Wind: -0.1m/s
Wind: 0m/s
Wind: 0m/s
Wind: -0.1m/s
Wind: 0m/s
According to an unofficial count, 36 athletes from 18 countries participated in the event.