Seyf ol Din or Seyf od Din or Seyf ed Din () may refer to various places in Iran: Seyf ol Din Kuh, East Azerbaijan Province Seyf ol Din Rud, East Azerbaijan Province Seyf ol Din, Baft, Kerman Province Seyf ol Din, Rigan, Kerman Province Seyf ol Din-e Olya, West Azerbaijan Province Seyf ol Din-e Sofla, West Azerbaijan Province Seyf ol Din, Yazd