Gridin () is a Russian masculine surname, its feminine counterpart is Gridina. It may refer to
Andrey Gridin (born 1988), Kazakhstani-Bulgarian cross-country skier Dmitry Gridin (born 1968), Russian serial killer Gennady Gridin (born 1961), Russian association football coach and a former player Matvei Gridin (born 2006), Russian ice hockey player Sergey Gridin (born 1987), Kazakhstani football player