Sergei Ivanov (born 1953), former Head of Kremlin Chief of Staff Sergey Ivanov may also refer to: Sergey Ivanov (American football) (born 1985), American footballer Sergey Ivanov (chess player), Russian chess grandmaster, see Leningrad City Chess Championship Sergey Ivanov (painter) (1864–1910), Russian painter Sergei Ivanov (cyclist) (born 1975), Russian professional bicycle racer Sergei Ivanov (footballer, born 1964), Russian football player and referee Sergei Ivanov (footballer born 1980), Kyrgyzstan footballer with FC Irtysh (as of 2008) Sergey Ivanov (footballer born 1984), Russian footballer formerly with FC Zenit St. Petersburg and FC Alania Vladikavkaz Sergey Ivanov (footballer born 1993), Russian footballer Sergei Ivanov (footballer, born 1997), Russian footballer Sergey Ivanov (referee) (born 1984), Russian international football referee Sergey Ivanov (runner), Russian runner Sergey Vladimirovich Ivanov, Russian politician, a deputy of the 4th, 5th, 6th and 7th State Duma Sergei Ivanov (Estonian politician) (born 1958), Estonian politician