Khorramdarreh is a city in Zanjan Province, Iran.
Khorramdarreh or Khorram Darreh () may also refer to: Khorramdarreh, Isfahan Khorramdarreh, Kerman Khorram Darreh, Razavi Khorasan Khorram Darreh, Abhar, Zanjan Province Khorramdarreh County, in Zanjan Province Khorramdarreh Rural District, in Zanjan Province