| Official Name: | Mohammadabad |
| Native Name: | محمّدآباد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Golestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Aliabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kamalan |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.8692°N 54.7767°W |
Mohammadabad (Persian: محمّدآباد, also Romanized as Moḩammadābād and Muhammadābād; also known as Mohammadabad-e Katul (Persian: محمّد آباد کتول, also Romanized as Moḩammadābād-e Katūl) is a village in Estarabad Rural District, Kamalan District, Aliabad County, Golestan Province, Iran. At the 2006 census, its population was 1,841, in 453 families.