Kuhak (Persian: کوهک) is a village in, and the capital of, Kuhak Rural District of Mehregan District, Saravan County, Sistan and Baluchestan province, Iran. It is Iran's easternmost village and is close to the Pakistani border. Road 92 passes through it.

At the 2006 National Census, its population was 2,990 in 640 households, when it was in the former Kuhak-e Esfandak Rural District of Bam Pasht District. The following census in 2011 counted 2,425 people in 512 households. The latest census in 2016 showed a population of 3,201 people in 793 households. It was the most populous village in its rural district.

In August 2017, the rural district was separated from the district in the establishment of Mehregan District, which was divided into two rural districts.