Sotnikov and Sotnikova is a Slavic surname. People with this surname include:
Male
Ivan Sotnikov (1913–2004), Soviet canoeist
Roman Sotnikov (born 1988), Russian footballer
Viktor Sotnikov (born 1974), Russian triple jumper
Yevgen Sotnikov (born 1980), Ukrainian jukoka
Female
Adelina Sotnikova (born 1996), Russian figure skater
Alyona Sotnikova (born 1992), Ukrainian tennis player
Tatiana Sotnikova (born 1981), Russian ice hockey player
Vera Sotnikova (born 1960), Russian actress
Yuliya Sotnikova (born 1970), Russian sprinter
