Silin () is a Russian masculine surname, its feminine counterpart is Silina. Notable people with the surname include:
Egor Silin (born 1988), Russian cyclist Evelyn Šilina (born 2001), Estonian footballer Marie Silin (born 1979), French politician Tīna Siliņa (born 1995), Latvian curler Vyacheslav Ivanovich Silin, Russian firearms designer Yelena Silina (b. 1987), Russian ice hockey player