| Kalateh-ye Baqerkhan Seh | |
| Native Name: | Persian: كلاته باقرخان سه |
| Native Name Lang: | fa |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | North Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Bojnord |
| Subdivision Type3: | District |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Baba Aman |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 3173 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Kalateh-ye Baqerkhan Seh (Persian: كلاته باقرخان سه) is a village in Baba Aman Rural District of the Central District of Bojnord County, North Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 976 in 219 households.[2] The following census in 2011 counted 2,502 people in 648 households.[3] The 2016 census measured the population of the village as 3,173 people in 961 households. It was the most populous village in its rural district.[4]