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 369 in 65 households, when it was in the Central District. The following census in 2011 counted 290 people in 74 households. The 2016 census measured the population of the village as 276 people in 79 households.
In 2023, the rural district was separated from the district in the formation of Zorqabad District.