Pain Velayat Rural District () is in the Central District of Kashmar County, Razavi Khorasan province, Iran. Its capital is the village of Kasrineh.
At the time of the 2006 National Census, the rural district's population was 11,399 in 3,144 households. There were 12,503 inhabitants in 3,816 households at the following census of 2011. The 2016 census measured the population of the rural district as 12,758 in 4,067 households. The most populous of its 60 villages was Moghan, with 2,516 people.