Sergey Morozov, Sergei Morozov, or Serhiy Morozov may refer to:
Sergey Morozov (fighter) (born 1989), Russian mixed martial artist Sergey Morozov (footballer, born 1989), Russian football centre back Serhiy Morozov (footballer, born 1950) (1950–2021), Soviet international football player and Ukrainian football coach Serhiy Morozov (footballer, born 1961), Ukrainian football forward Sergey Morozov (racewalker) (born 1988), Russian race walker Sergey Morozov (politician) (born 1959), Russian politician Sergey Morozov, businessman, creator of Grand Maket Rossiya, private museum