Kohistan, also transliterated Kuhistan, Kuhiston, Quhistan (Persian: کوہستان 'mountainous land'), may refer to:
in Afghanistan
- Kohistan District, Kapisa, Kapisa Province
- Kohistan Hesa Awal District, a district in Kapisa Province, created within the former Kohistan District
- Kohistan Hesa Duwum District, a district in Kapisa Province, created within the former Kohistan District
- Kohistan District, Badakhshan, a district in Badakhshan Province
- Kohistan District, Faryab, a district in Faryab Province
in Pakistan
- Kohistan District, Pakistan, in Khyber-Pakhtunkhwa, formerly North West Frontier Province is part of Hazara division.
in Tajikistan
- Kohistan-i Badakshan, the Tajik name of Gorno-Badakshan
in Iran
- Quhistan, a region of medieval Persia, the southern part of Greater Khorasan