Kowhan (, also Romanized as KowhÃÂn and Kà «hÃÂn; also known as GolshanÃÂbÃÂd, Gà «hÃÂn, and KahÃÂn) is a village that is located in the Rezvaniyeh Rural District, in the Central District of Tiran and Karvan County, Isfahan Province, Iran. At the 2006 census, its population was 248, in 77 families.