Masabi (Persian: مصعبي)[a] is a village in, and the capital of, Masabi Rural District[4] of Aysak District,[b] Sarayan County, South Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 821 in 274 households.

[6] The following census in 2011 counted 639 people in 243 households.

[7] The 2016 census measured the population of the village as 576 people in 224 households.

This Sarayan County location article is a stub.