| Konstantin Kvashnin | |
| Fullname: | Konstantin Pavlovich Kvashnin |
| Birth Date: | 27 December 1898 |
| Birth Place: | Moscow, Russia |
| Death Place: | Moscow, Russian SFSR |
| Position: | Midfielder |
| Youthclubs1: | Oryol |
| Years1: | 1913–1921 |
| Clubs1: | RGO Moscow |
| Years2: | 1922–1926 |
| Years3: | 1927 |
| Clubs3: | Pishcheviki-ml. Moscow |
| Years4: | 1928–1934 |
| Manageryears1: | 1928–1934 |
| Managerclubs1: | FC Dynamo Moscow (assistant) |
| Manageryears2: | 1935–1936 |
| Managerclubs2: | FC Dynamo Moscow |
| Manageryears3: | 1937–1938 |
| Managerclubs3: | FC Spartak Moscow |
| Manageryears4: | 1939–1940 |
| Managerclubs4: | FC Torpedo Moscow |
| Manageryears5: | 1941 |
| Managerclubs5: | Profsoyuzy-II Moscow |
| Manageryears6: | 1943 |
| Managerclubs6: | FC Zenit Moscow |
| Manageryears7: | 1944 |
| Managerclubs7: | FC Spartak Moscow |
| Manageryears8: | 1946 |
| Managerclubs8: | FC Pishchevik Moscow |
| Manageryears9: | 1947 |
| Managerclubs9: | FC Spartak Moscow (assistant) |
| Manageryears10: | 1948 |
| Managerclubs10: | FC Spartak Moscow |
| Manageryears11: | 1949 |
| Managerclubs11: | FC Khimik Orekhovo-Zuyevo |
| Manageryears12: | 1949–1950 |
| Managerclubs12: | FC Torpedo Moscow |
| Manageryears13: | 1952 |
| Managerclubs13: | FC Shakhtyor Stalino |
Konstantin Pavlovich Kvashnin (Russian: Константин Павлович Квашнин; 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.