Musaabad () is a village in Now Bahar Rural District of the Central District in Golbahar County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 104 in 25 households, when it was in Bizaki Rural District of the former Golbahar District in Chenaran County. The following census in 2011 counted 128 people in 36 households. The 2016 census measured the population of the village as 93 people in 26 households.
In 2020, the district was separated from the county in the establishment of Golbahar County. The rural district was transferred to the new Central District, and Musaabad was transferred to Now Bahar Rural District created in the same district.