The Kushk Complex, also known as the Kushk Hammam (; ) is an Islamic funerary complex, that consists of a mosque, a hammam, bathroom and an Ab anbar, located in Ferdows, South Khorasan province, Iran. The Kushk Mosque is the oldest mosque in South Khorasan and, based on the evidence of its existing architecture, its original structure dates back to the early centuries of Islam.
The complex was added to the Iran National Heritage List on 26 June 2005, administered by the Ministry of Cultural Heritage, Tourism and Handicrafts.