Mian Rud-e Zaruni should not be confused with Kareh-ye Mian Rud-e Zaruni.
| Official Name: | Mian Rud-e Zaruni |
| Native Name: | ميانرودضروني |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Kuhdasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kuhdasht-e Jonubi |
| Population As Of: | 2006 |
| Population Total: | 189 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.4306°N 47.6317°W |
Mian Rud-e Zaruni (Persian: ميانرودضروني, also Romanized as Mīān Rūd-e Ẕarūnī; also known as Pol-e Mādīānrūd, Mīānrūd, and Mīān Rūd) is a village in Kuhdasht-e Jonubi Rural District, in the Central District of Kuhdasht County, Lorestan Province, Iran. At the 2006 census, its population was 189, in 40 families.