Dmytro Mykolayovych Ianchuk or Yanchuk (; born 14 November 1992) is a Ukrainian sprint canoeist. He is the 2016 Olympic bronze medalist in the C-2 1000 metres event, the 2015 World bronze medalist in C-2 500 metres, and the 2015 European champion in C-2 1000 m. Ianchuk competes together with Taras Mishchuk.