Kasrineh (Persian: كسرينه) is a village in, and the capital of, Pain Velayat Rural District of the Central District of Kashmar County, Razavi Khorasan province, Iran.

At the 2006 National Census, its population was 1,964 in 543 households. The following census in 2011 counted 2,092 people in 639 households. The latest census in 2016 showed a population of 2,105 people in 685 households.