| Sari Su Rural District | |
| Native Name: | Persian: دهستان ساریسو |
| 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: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Maku |
| Subdivision Type3: | District |
| Subdivision Name3: | Bazargan |
| Seat Type: | Capital |
| Seat: | Milan |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 4736 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Sari Su Rural District (Persian: دهستان ساریسو) is in Bazargan District of Maku County, West Azerbaijan province, Iran. Its capital is the village of Milan.[2]
After the 2006 National Census, Chaybasar-e Shomali Rural District and the city of Bazargan were separated from the Central District in the establishment of Bazargan District, which was divided into two rural districts, including the new Sari Su Rural District.[2]
At the time of the 2011 census, the rural district's population was 4,271 inhabitants in 980.[3] The 2016 census measured the population of the rural district as 4,736 in 1,222 households. The most populous of its 28 villages was Yarem Qayah-e Sofla, with 691 people.[4]