Sergey Ostapchuk (akaberekwa musi wa10 Kukadzi 1976) mutambi wekushambira weRussia akambobvira pamudyandigere uyo akahwina menduru mbiri dzebronze kumakwikwi eNyika neEurope.
makwikwi muna 1999. Akakwikwidzawo mumakwikwi emamita zana uye mazana maviri emamita kumashure kumaOlympics a1996 na2000 asi haana kusvika kumagumo.