Alexei Igorevich Grishin (; born September 28, 1988) is a Russian professional ice hockey defenceman. He is currently playing with Yuzhny Ural Orsk of the Supreme Hockey League (VHL).
Grishin made his Kontinental Hockey League (KHL) debut playing with HC Vityaz during the 2008âÂÂ09 KHL season.
In the 2014âÂÂ15 season, Grishin was traded for the second time within a month by SKA Saint Petersburg, along with Evgeny Ryasensky and Mikhail Tikhonov, to Neftekhimik Nizhnekamsk in exchange for Nikolai Belov and a first-round pick on November 24, 2014.