Kuh Zar (Persian: كوه زر, also Romanized as Kūh Zar; also known as Golzār, Gulzār, and Kūzar) is a village in Shahid Modarres Rural District, in the Central District of Shushtar County, Khuzestan Province, Iran. At the 2006 census, its population was 71, in 16 families.