Delfan County (Persian: شهرستان دلفان)[a] is in Lorestan province, Iran.

[3] After the 2006 National Census, the village of Haft Cheshmeh was elevated to the status of a city.

[2] Delfan County's population history and administrative structure over three consecutive censuses are shown in the following table.

Delfan is a mountainous region in the northwest of Lorestan province.

[12] Media related to Delfan County at Wikimedia Commons