The men's 400 metres at the 1966 European Athletics Championships was held in Budapest, Hungary, at Népstadion on 30 and 31 August, and 1 September 1966.

Medalists Gold Stanisław Grędziński Silver Andrzej Badeński Bronze Manfred Kinder

Results Final 1 September Rank Name Nationality Time Notes Stanisław Grędziński 46.0 Andrzej Badeński 46.2 Manfred Kinder 46.3 4 Wilfried Weiland 46.6 5 Rolf Krüsmann 46.7 6 Josef Trousil 46.9 7 Tim Graham 46.9 Siegfried König DNF

Semi-finals 31 August

Semi-final 1 Rank Name Nationality Time Notes 1 Stanisław Grędziński 46.3 Q 2 Manfred Kinder 46.6 Q 3 Josef Trousil 46.6 Q 4 Tim Graham 46.7 Q 5 Boris Savchuk 46.9 6 Martin Winbolt-Lewis 47.0 7 Sergio Bello 47.1 8 Bernard Martin 47.7

Semi-final 2 Rank Name Nationality Time Notes 1 Andrzej Badeński 46.6 Q 2 Wilfried Weiland 46.8 Q 3 Rolf Krüsmann 46.8 Q 4 Siegfried König 47.1 Q 5 Jean-Pierre Boccardo 47.5 6 Hryhoriy Sverbetov 47.6 7 Heikki Pippola 48.0 8 John Adey 48.0

Heats 30 August

Heat 1 Rank Name Nationality Time Notes 1 Andrzej Badeński 46.7 Q 2 Jean-Pierre Boccardo 47.1 Q 3 Heikki Pippola 47.3 Q 4 Michael Zerbes 47.5 5 Aleksandr Ivanov 48.0 6 Nikolaos Rengoukos 48.3 7 Mehmet Gesas 49.9

Heat 2 Rank Name Nationality Time Notes 1 Siegfried König 46.7 Q 2 Wilfried Weiland 46.9 Q 3 Hryhoriy Sverbetov 47.3 Q 4 Fred van Herpen 47.8 5 Jacques Pennewaert 48.9 6 Vincenc Kacagjeli 49.3

Heat 3 Rank Name Nationality Time Notes 1 Stanisław Grędziński 46.6 Q 2 Tim Graham 47.0 Q 3 Sergio Bello 47.1 Q 4 Josef Trousil 47.2 Q 5 Günther Klann 47.5 6 Zlatko Valchev 47.9

Heat 4 Rank Name Nationality Time Notes 1 Manfred Kinder 47.0 Q 2 John Adey 47.4 Q 3 Bernard Martin 47.5 Q 4 Edmund Borowski 47.6 5 Carl Fredrik Bunæs 47.8 6 Bo Althoff 48.4

Heat 5 Rank Name Nationality Time Notes 1 Boris Savchuk 46.9 Q 2 Rolf Krüsmann 47.1 Q 3 Martin Winbolt-Lewis 47.4 Q 4 Michel Samper 47.4 5 Furio Fusi 48.2

Participation According to an unofficial count, 30 athletes from 17 countries participated in the event.

(1) (1) (1) (1) (3) (1) (3) (1) (2) (1) (1) (3) (3) (1) (1) (3) (3)

References