| Sar Daq Rural District | |
| Native Name: | Persian: دهستان سردق |
| Native Name Lang: | fa |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Bajestan |
| Subdivision Type3: | District |
| Subdivision Name3: | Yunesi |
| Seat Type: | Capital |
| Seat: | Sar Daq |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 4979 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Sar Daq Rural District (Persian: دهستان سردق) is in Yunesi District of Bajestan County, Razavi Khorasan province, Iran. Its capital is the village of Sar Daq.[2]
After the National Census of 2006, Bajestan District was separated from Gonabad County in the establishment of Bajestan County, which was divided into two districts of two rural districts each, with the city of Bajestan as its capital. Sar Daq Rural District was created in the new Yunesi District.[2]
At the time of the 2011 census, the rural district's population was 3,959 inhabitants in 1,080 households at the following census of 2011.[3] The 2016 census measured the population of the rural district as 4,979 in 1,560 households. The most populous of its 52 villages was Fakhrabad, with 2,764 people.[4]