Grigori Alekseyevich Mikhalyuk (; born 9 August 1986) is a Russian professional football coach and a former player. He is an assistant manager of Zvezda St. Petersburg.
Mikhalyuk was appointed caretaker manager for Russian Football National League side FC Dynamo Saint Petersburg from April to May 2010.
On 24 June 2021, Mikhalyuk was appointed manager of Armenian Premier League team FC Noah.