| Year Men 400m | Gold | Silver | Bronze |
| _ Indoor 2025/Men 400m Apeldoorn | Attila Molnár |  Hungary | 45.25s | Maksymilian Szwed |  Poland | 45.31s | Jimy Soudril |  France | 45.59s |
| _ Indoor 2023/Men 400m Istanbul | Karsten Warholm |  Norway | 45.35s | Julien Watrin |  Belgium | 45.44s | Carl Bengtström |  Sweden | 45.77s |
| _ Indoor 2021/Men 400m Toruń | Óscar Husillos |  Spain | 46.22s | Tony van Diepen |  Netherlands | 46.25s | Liemarvin Bonevacia | Netherlands | 46.30s |
| _ Indoor 2019/Men 400m Glasgow | Karsten Warholm | Norway | 45.05s | Óscar Husillos | Spain | 45.66s | Tony van Diepen | Netherlands | 46.13s |
| _ Indoor 2017/Men 400m Belgrade | Pavel Maslák |  Czechia | 45.77s | Rafał Omelko | Poland | 46.08s | Liemarvin Bonevacia | Netherlands | 46.26s |
| _ Indoor 2015/Men 400m Prague | Pavel Maslák | Czechia | 45.33s | Dylan Borlée | Belgium | 46.25s | Rafał Omelko | Poland | 46.26s |
| _ Indoor 2013/Men 400m Paris | Pavel Maslák | Czechia | 45.66s | Nigel Levine |  Great Britain | 46.21s | Pavel Trenikhin |  Russia | 46.70s |
| _ Indoor 2011/Men 400m Turin | Leslie Djhone | France | 45.54s | Thomas Schneider |  Germany | 46.42s | Richard Buck | Great Britain | 46.62s |
| _ Indoor 2009/Men 400m Birmingham | Johan Wissman | Sweden | 45.89s | Claudio Licciardello |  Italy | 46.32s | Ioan Vieru |  Romania | 46.54s |
| _ Indoor 2007/Men 400m Madrid | David Gillick |  Ireland | 45.52s | Bastian Swillims | Germany | 45.62s | Robert Tobin | Great Britain | 46.15s |
| _ Indoor 2005/Men 400m Belgrade | David Gillick | Ireland | 46.30s | David Canal | Spain | 46.64s | Sebastian Gatzka | Germany | 46.88s |
| _ Indoor 2002/Men 400m Vienna | Marek Plawgo | Poland | 45.39s | Jimisola Laursen | Sweden | 45.59s | Ioan Vieru | Romania | 46.17s |
| _ Indoor 2000/Men 400m Ghent | Iliya Dzhivondov |  Bulgaria | 46.63s | David Canal | Spain | 46.85s | Marc Raquil | France | 47.28s |
| _ Indoor 1998/Men 400m Valencia | Ruslan Mashchenko | Russia | 45.90s | Ashraf Saber | Italy | 45.99s | Robert Maćkowiak | Poland | 46.00s |
| _ Indoor 1996/Men 400m Stockholm | Du'aine Thorne-Ladejo | Great Britain | 46.12s | Pierre-Marie Hilaire | France | 46.82s | Ashraf Saber | Italy | 46.86s |
| _ Indoor 1994/Men 400m Paris | Du'aine Thorne-Ladejo | Great Britain | 46.53s | Mikhail Vdovin | Russia | 46.56s | Rico Lieder | Germany | 46.82s |
| _ Indoor 1992/Men 400m Genoa | Slobodan Branković |  Yugoslavia | 46.33s | Andrea Nuti | Italy | 46.37s | David Grindley | Great Britain | 46.60s |
| _ Indoor 1990/Men 400m Glasgow | Norbert Dobeleit |  West Germany | 4-.--s | Jens Carlowitz |  East Germany | 4-.--s | Cayetano Cornet | Spain | 4-.--s |
| _ Indoor 1989/Men 400m The Hague | Cayetano Cornet | Spain | 4-.--s | Brian Whittle | Great Britain | 4--.-s | Klaus Just | West Germany | 4-.--s |
| _ Indoor 1988/Men 400m Budapest | Jens Carlowitz | East Germany | 4-.--s | Brian Whittle | Great Britain | 4-.--s | Ralf Lübke | West Germany | 4-.--s |
| _ Indoor 1987/Men 400m Liévin | Todd Bennett | Great Britain | 46.81s | Momchil Kharizanov | Bulgaria | 46.89s | Paul Harmsworth | Great Britain | 46.92s |
| _ Indoor 1986/Men 400m Madrid | Thomas Schönlebe | East Germany | 46.97s | José Alonso | Spain | 47.12s | Mathias Schersing | East Germany | 47.59s |
| _ Indoor 1985/Men 400m Piraeus | Todd Bennett | Great Britain | 45.56s | Klaus Just | West Germany | 45.90s | José Alonso | Spain | 46.52s |
| _ Indoor 1984/Men 400m Gothenburg | Sergey Lovachov |  Soviet Union | 46.72s | Roberto Tozzi | Italy | 47.01s | Didier Dubois | France | 47.29s |
| _ Indoor 1983/Men 400m Budapest | Yevgeniy Lomtev | Soviet Union | 4-.--s | Ainsley Bennett | Great Britain | 4-.--s | Å¡ngel Heras | Spain | 4-.--s |
| _ Indoor 1982/Men 400m Milan | Pavel Konovalov | Soviet Union | 47.04s | Sándor ÃÅ¡jhelyi | Hungary | 47.14s | BenjamÃn González | Spain | 47.41s |
| _ Indoor 1981/Men 400m Grenoble | Andreas Knebel | East Germany | 46.52s | Martin Weppler | West Germany | 46.88s | Stefano Malinverni | Italy | 46.96s |
| _ Indoor 1980/Men 400m Sindelfingen | Nikolay Chernetskiy | Soviet Union | 46.29s | Karel Kolář |  Czechoslovakia | 46.55s | Remigijus Valiulis | Soviet Union | 46.75s |
| _ Indoor 1979/Men 400m Vienna | Karel Kolář | Czechoslovakia | 46.21s | Stefano Malinverni | Italy | 46.59s | Horia Toboc | Romania | 46.86s |
| _ Indoor 1978/Men 400m Milan | Pietro Mennea | Italy | 46.51s | Ryszard Podlas | Poland | 46.55s | Nikolay Chernetskiy | Soviet Union | 46.72s |
| _ Indoor 1977/Men 400m San Sebastián | Fons Brijdenbach | Belgium | 46.53s | Francis Demarthon | France | 47.11s | Marian Gęsicki | Poland | 47.21s |
| _ Indoor 1976/Men 400m Munich | Yanko Bratanov | Bulgaria | 47.79s | Hermann Köhler | West Germany | 48.19s | Grzegorz Mądry | Poland | 48.46s |
| _ Indoor 1975/Men 400m Katowice | Hermann Köhler | West Germany | 48.76s | Josip Alebić | Yugoslavia | 49.04s | Semyon Kocher | Soviet Union | 49.33s |
| _ Indoor 1974/Men 400m Gothenburg | Fons Brijdenbach | Belgium | 46.60s | Andreas Scheibe | East Germany | 46.80s | Günter Arnold | East Germany | 46.94s |
| _ Indoor 1973/Men 400m Rotterdam | Luciano Sušanj | Yugoslavia | 46.38s | Benno Stops | East Germany | 47.31s | Dariusz Podobas | Poland | 47.40s |
| _ Indoor 1972/Men 400m Grenoble | Georg Nückles | West Germany | 47.24s | Ulrich Reich | West Germany | 47.42s | Wolfgang Müller | East Germany | 47.42s |
| _ Indoor 1971/Men 400m Sofia | Andrzej Badeński | Poland | 46.8s | Boris Savchuk | Soviet Union | 47.4s | Aleksandr Bratchikov | Soviet Union | 47.6s |
| _ Indoor 1970/Men 400m Vienna | Aleksandr Bratchikov | Soviet Union | 4-.--s | Andrzej Badeński | Poland | 4-.--s | Yuriy Zorin | Soviet Union | 4-.--s |
| _ Indoor 1969/Men 400m Belgrade | Jan Balachowski | Poland | 4-.--s | Jan Werner | Poland | 4-.--s | Yuriy Zorin | Soviet Union | 4-.--s |
| _ Indoor 1968/Men 400m Madrid | Andrzej Badeński | Poland | 4-.--s | Aleksandr Bratchikov | Soviet Union | 4-.--s | Jan Balachowski | Poland | 4-.--s |
| _ Indoor 1967/Men 400m Prague | Manfred Kinder | West Germany | 4-.--s | Hartmut Koch | East Germany | 4-.--s | Nikolay Shkarnikov | Soviet Union | 4-.--s |
| _ Indoor 1966/Men 400m Dortmund | Hartmut Koch | East Germany | 47.9s | Manfred Kinder | West Germany | 48.3s | Vasyl Anisimov | Soviet Union | 49.0s |
