Serhiy Volodymyrovych Cherniavskiy (Ukrainian: ?????? ????????????? ???????????; born 2 April 1976) is a retired Ukrainian cyclist.
He won a silver medal at the 2000 Summer Olympics and a world title in 2001 in the 4000 m team pursuit.After retiring from competitions he was teaching cycling while working on his PhD at the Vinnytsia State Pedagogical University.