Khaf County (Persian: شهرستان خواف)[a] is in Razavi Khorasan Province, Iran.

[3] After the 2016 National Census, the village of Sedeh was elevated to the status of a city.

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

The historical city of Zuzan is located close to Khaf and has been submitted to World Heritage tentative lists by UNESCO.

[8] Media related to Khaf County at Wikimedia Commons