| Birth Date: | March 18, 1994 |
| Birth Place: | Magnitogorsk, Russia |
| Height Ft: | 6 |
| Height In: | 0 |
| Weight Lb: | 192 |
| Position: | Defence |
| Shoots: | Left |
| Team: | Free agent |
| Former Teams: | Traktor Chelyabinsk Beibarys Atyrau |
| Career Start: | 2014 |
Danil Mamayev (born March 18, 1994) is a Russian professional ice hockey defenceman.
Mamayev played 79 regular season games and eight playoff games for Traktor Chelyabinsk of the Kontinental Hockey League from 2016 to 2018.[1] He then split the 2018–19 season with three different teams, playing in the Kazakhstan Hockey Championship for Beibarys Atyrau, the Supreme Hockey League for Yermak Angarsk and in the Chance Liga for HC RT Torax Poruba.[2]