Darjazin is a city in Semnan Province, Iran.

Darjazin () may also refer to: Darjazin, Hamadan, a village in Hamadan Province Qorveh-e Darjazin, a city in Hamadan Province Darjazin Rural District, in Semnan Province Darjazin-e Olya Rural District, in Hamadan Province Darjazin-e Sofla Rural District, in Hamadan Province