| Official Name: | Qasemabad-e Kuchek |
| Native Name: | Persian: قاسمآباد کوچک |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alborz |
| Subdivision Type2: | County |
| Subdivision Name2: | Nazarabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Tankaman |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Tankaman |
| Population As Of: | 2006 |
| Population Total: | 1,275 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Coordinates: | 35.9117°N 50.6722°W |
Qasemabad-e Kuchek (Persian: قاسمآباد کوچک, also Romanized as Qāsemābād-e Kūchek) is a village in Tankaman Rural District, Tankaman District, Nazarabad County, Alborz Province, Iran. At the 2006 census, its population was 1,275, in 313 families.