| Seydun County | |
| Native Name: | Persian: شهرستان صیدون |
| Settlement Type: | County |
| Image Map1: | IranKhuzestan-SVG.svg |
| Map Caption1: | Location of Khuzestan province in Iran |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Seat Type: | Capital |
| Seat: | Seydun |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Alad |
| Coordinates: | 31.3806°N 50.1236°W |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Seydun County (Persian: شهرستان صیدون) is in Khuzestan province, Iran. Its capital is the city of Seydun,[2] whose population at the time of the 2016 National Census was 7,650 people in 1,803 households.[3]
In February 2023, Seydun District was separated from Bagh-e Malek County in the establishment of Seydun County, which was divided into two districts of two rural districts each, with Seydun as its capital and only city.[2]
Seydun County's administrative structure is shown in the following table.
| Administrative Divisions | |
|---|---|
| Central District | |
| Seydun-e Shomali RD | |
| Vajel RD | |
| Seydun (city) | |
| Alad District | |
| Rudzir RD | |
| Seydun-e Jonubi RD | |