Sardsir Rural District (Persian: دهستان سردسير)[3] is in the Central District of Buin Miandasht County, Isfahan province, Iran.

[5] At the time of the 2006 National Census, the rural district's population (as a part of the former Buin Miandasht District of Faridan County) was 3,512 in 911 households.

[7] The 2016 census measured the population of the rural district as 2,753 in 996 households, by which time the district had been separated from the county in the establishment of Buin Miandasht County.

[4] The most populous of its 14 villages was Qarah Boltaq, with 553 people.

This Buin va Miandasht County location article is a stub.