Smetanin (masculine, ) or Smetanina (feminine, ) is a Russian surname. Notable people with the surname include:
Aleksei Smetanin (born 1981), Russian soccer player Andrei Smetanin (born 1969), Russian soccer coach and former player Herman Smetanin (born 1992), Ukrainian politician and defense industry management executive Maxim Smetanin (born 1974), Kyrgyz triple jumper Vladimir Smetanin (born 1937), Russian weightlifter Raisa Smetanina (born 1952), Russian cross-country skier
See also Smetana