Astin () is a village in Daman Kuh Rural District of Zorqabad District in Esfarayen County, North Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 186 in 38 households, when it was in the Central District. The following census in 2011 counted 185 people in 47 households. The 2016 census measured the population of the village as 167 people in 50 households.
In 2023, the rural district was separated from the district in the formation of Zorqabad District.