Konstantin Pavlovich Kvashnin (; 27 December 1898 – 2 November 1982) was a Soviet Russian football player and manager who managed FC Dynamo Moscow to a championship in the first ever Soviet Top League competition in 1936.
Honours as a manager Soviet Top League champion: 1936 (spring), 1938. Soviet Top League runner-up: 1936 (autumn), 1937. Soviet Top League bronze: 1948. Soviet Cup winner: 1938, 1949.
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