Miyandasht Rural District () is in Miyandasht District of Darmian County, South Khorasan province, Iran. Its capital is the village of Bureng.
At the time of the 2006 National Census, the rural district's population (as a part of the Central District) was 9,791 in 2,385 households. There were 10,378 inhabitants in 2,851 households at the following census of 2011. The 2016 census measured the population of the rural district as 9,811 in 2,808 households. The most populous of its 23 villages was Nughab, with 3,520 people.
After the 2016 census, the rural district was separated from the district in the formation of Miyandasht District.