Qaleh Zari (Persian: قلعه زري)[a] is a village in Qaleh Zari Rural District of Jolgeh-ye Mazhan District, Khusf County, South Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 1,651 in 395 households, when it was in the former Khusf District of Birjand County.

[4] The following census in 2011 counted 1,545 people in 403 households.

[5] The 2016 census measured the population of the village as 1,288 people in 340 households, by which time the district had been separated from the county in the establishment of Khusf County.

This Khusf County location article is a stub.