Sergey Sergeyev may refer to: Sergey Sergeyev (footballer) (born 1965), Soviet and Russian footballer Sergey Sergeyev (futsal player) (born 1983), Russian futsal player Sergey Sergeyev (canoeist) (born 1976), Kazakhstani canoeist Sergei Sergeyev-Tsensky (1875–1958), Russian/Soviet writer and academician Sergey Sergeev (spree killer) (1964–1989), Soviet spree killer