Bostan Rural District (Persian: دهستان بستان) is in Sangan District of Khaf County, Razavi Khorasan province, Iran.
At the National Census of 2006, its population was 7,316 in 1,509 households.[3] There were 8,248 inhabitants in 1,936 households at the following census of 2011.[4] At the most recent census of 2016, the population of the rural district was 9,344 in 2,326 households. The largest of its nine villages was Behdadin, with 2,470 people.[2]