Kuhin (, also Romanized as Kūhīn) is a city in and the capital of Kuhin District, in Qazvin County, Qazvin Province, Iran. At the 2006 census its population was 1,398, in 388 families.
Kuhin is a city in Qazvin Province, Iran.
Kuhin may also refer to:
- Kuhin, Hamadan
- Kuhin, Kerman
- Kuhin, Markazi
- Kuhin District, in Qazvin Province
- Kuhin Rural District, in Hamadan Province