Sergei Kuznetsov (Russian: Серге́й Кузнецо́в [sʲɪrˈɡʲej kʊznʲɪˈtsof]; Ukrainian: Сергiй Кузнецов, romanized: Serhij Kuznecov [serˈɦij kʊzneˈtsɔu̯]; Belarusian: Сяргей Кузняцоў, romanized: Siarhiej Kuzniacow (narkomovka), Сяргей Кузьняцоў (tarashkevitsa) [sʲarˈɣʲɛj kuzʲnʲaˈt͡sɔw]; Kazakh: Sergeı Kýznetsov) may refer to: