Sergey or Sergei Nikitin may refer to: Sergey Nikitin (musician), Russian bard Sergei Vasilyevich Nikitin (b. 1963), Soviet and Russian footballer Sergey Nikitin (historian), Russian historian and founder of Moskultprog Sergey Nikitin (diplomat), Soviet diplomat and Ambassador Sergei Nikitin (geologist) (1851–1909), a Russian geologist Sergey Nikitin (athlete) (born 1973), Russian decathlete and medallist at the European Cup Combined Events