| Mamulan County | |
| Native Name: | Persian: شهرستان معمولان |
| Settlement Type: | County |
| Image Map1: | IranLorestan-SVG.svg |
| Map Caption1: | Location of Lorestan province in Iran |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Seat Type: | Capital |
| Seat: | Mamulan |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Afrineh |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Mamulan County (Persian: شهرستان معمولان) is in Lorestan province, Iran. Its capital is the city of Mamulan,[2] whose population at the time of the 2016 National Census was 7,656 people in 2,344 households.[3] The city was previously the capital of Mamulan District in Pol-e Dokhtar County.[4]
In April 2023, the district was separated from the county in the establishment of Mamulan County, which was divided into two districts of two rural districts each, with Mamulan as its capital and only city.[2]
Mamulan County's administrative structure is shown in the following table.
| Administrative Divisions | |
|---|---|
| Central District | |
| Mamulan RD | |
| Zivdar RD | |
| Mamulan (city) | |
| Afrineh District | |
| Afrineh RD | |
| Miyankuh-e Sharqi RD | |