| Official Name: | Mohammadabad-e Pain |
| Native Name: | محمدابادپائين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Golestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Aqqala |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Voshmgir |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mazraeh-ye Shomali |
| Population As Of: | 2006 |
| Population Total: | 483 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.2428°N 54.6375°W |
Mohammadabad-e Pain (Persian: محمدابادپائين, also Romanized as Moḩammadābād-e Pā’īn; also known as Moḩammadābād) is a village in Mazraeh-ye Shomali Rural District, Voshmgir District, Aqqala County, Golestan Province, Iran. At the 2006 census, its population was 483, in 87 families.