Serhiy Ilarionovych Zaytsev (; born 13 April 1974) is a Ukrainian football manager and former player who played as a defender.
Zaytsev is product of youth team sistem Metalurh Zaporizhzhia. His first coach was Volodymyr Kocheharov. Zaytsev had a brief spell with Pogoà  Szczecin during 1999, appearing as a substitute in one Ekstraklasa match.