Sergey Nikitin
Sergey or Sergei Nikitin may refer to:

 Sergey Nikitin (musician) (born 1944) Russian bard
 Sergei Vasilyevich Nikitin (born 1963), Soviet and Russian footballer
 Sergey Nikitin (historian) Russian historian and founder of Moskultprog
 Sergei Nikitin (geologist) (1851–1909), Russian geologist
 Sergey Nikitin (decathlete) (born 1973), Russian decathlete and medallist at the European Cup Combined Events