| Official Name: | Aq Bolagh-e Aqajan Khan |
| Native Name: | اقبلاغ اقاجان خان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ardabil |
| Subdivision Type2: | County |
| Subdivision Name2: | Ardabil |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sharqi |
| Population As Of: | 2006 |
| Population Total: | 1,802 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 38.2728°N 48.3514°W |
Aq Bolagh-e Aqajan Khan (Persian: اقبلاغ اقاجان خان, also Romanized as Āq Bolāgh-e Āqājān Khān; also known as Āgh Bolāgh (آغ بُلاغ), Āgh Bolāgh-e Moşţafá Khān (آغ بُلاغِ مُصطَفَى خان), and Āq Bolāgh-e Āqājān - آق بُلاغِ آقاجان) is a village in Sharqi Rural District, in the Central District of Ardabil County, Ardabil Province, Iran. At the 2006 census, its population was 1,802 in 384 families.