Hiduj Rural District () is in Hiduj District of Sib and Suran County, Sistan and Baluchestan province, Iran. Its capital is the city of Hiduj.
At the National Census of 2006, its population (as a part of Saravan County) was 6,454 in 1,542 households. There were 7,443 inhabitants in 2,007 households at the following census of 2011, by which time the district had been separated from the county to become a part of the newly established Sib and Suran County. At the most recent census of 2016, the population of the rural district was 8,779 in 2,377 households. The largest of its 36 villages was Kushan-e Pain, with 1,654 people.