The men's hammer throw at the 1978 European Athletics Championships was held in Prague, then Czechoslovakia, at Stadion Evžena Rošického on 1 and 2 September 1978.
[1] The winning margin was 4 cm.
With the conclusion of the 2024 championships, this remains the narrowest winning margin in the men's hammer throw at these championships.
2 September 1 September According to an unofficial count, 20 athletes from 11 countries participated in the event.