Aleksei Gennadyevich Grishin (; ; born 18 June 1979) is a Belarusian freestyle skier who competed at five consecutive Olympics from 1998 to 2014. He won Belarus' only medal at the 2002 Winter Olympics, a bronze in aerials. In 2010, he won the first ever Winter Olympics gold medal for his country, again in the aerials. He finished fourth in 2006 and eighth in 1998. He was the Olympic flag bearer for Belarus at the opening ceremony of the 2014 Games.