Väinö Muinonen

{{short description|Finnish long-distance runner}}

File:Le finlandais Väinö Muinonen, vainqueur du marathon des championnats d'Europe 1938, à son entrée dans le stade de Colombes.jpg

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{{MedalSport | Men's athletics}}

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{{MedalGold| 1938 Paris|Marathon}}

{{MedalSilver| 1946 Oslo|Marathon}}

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Viktor "Väinö" Muinonen (30 December 1898, in Lappeenranta – 10 June 1978) was a Finnish long-distance runner, who competed for his native country at the 1936 Summer Olympics in Berlin, Germany.

Born in Imatra, Muinonen is best known for winning the gold medal in the men's marathon at the 1938 European Championships in Paris, France. He set his personal best of 2:33:03 in 1946, at the age of 47.