| Oleg Vasliyevich Tolmachev | |
| Birth Date: | 19 August 1919 |
| Birth Place: | Novosibirsk, Russian SFSR |
| Death Place: | Moscow, Russia |
| Position: | Defenseman |
| Played For: | HC Dynamo Moscow |
| Career Start: | 1946 |
| Career End: | 1956 |
Oleg Vasilyevich Tolmachev (ru|Олег Васильевич Толмачёв) (19 August 1919 – 1 January 2008) was a Soviet ice hockey player and coach.
Tolmachev was born in Novosibirsk (called Novonikolayevsk in 1919). He served in the Red Army from 1939 to 1946, and saw action in World War II during 1942–44. He was decorated twice, with the Order of the Patriotic War, II degree and medal "For the Victory over Germany in the Great Patriotic War 1941–1945".
HC Dynamo Moscow - 1946–56 as player, 1957–62 as coach.