Rostaq Rural District (Persian: دهستان رستاق) is in the Central District of Ashkezar County, Yazd province, Iran. Its capital is the village of Sadrabad.

At the National Census of 2006, its population was 8,400 in 2,326 households. There were 9,046 inhabitants in 2,704 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 8,896 in 2,774 households. The most populous of its 41 villages was Ebrahimabad, with 1,509 people.