| Official Name: | Aleko Konstantinovo |
| Native Name: | Алеко Константиново |
| Subdivision Type: | Country |
| Subdivision Type1: | Provinces (Oblast) |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Pushpin Relief: | 1 |
| Pushpin Map: | Bulgaria |
| Pushpin Map Caption: | Location of Aleko Konstantinovo, Bulgaria |
| Leader Title: | Mayor |
| Postal Code Type: | Postal Code |
| Subdivision Name1: | Pazardzhik Province |
| Population Total: | 3265[1] |
| Population As Of: | 15.09.2022 |
| Elevation M: | 220 |
| Postal Code: | 4495 |
| Area Code: | 03527 from Bulgaria, 003593527 from outside |
| Coordinates: | 42.1452°N 24.289°W |
| Leader Name: | Vasil Metodiev |
Aleko Konstantinovo (Bulgarian: Алеко Константиново) is a village in southern Bulgaria. It has a population of 3,265 as of 2022.[1] The village is named after the renown Bulgarian writer Aleko Konstantinov, who was assassinated nearby en route to Peshtera in 1897.
Aleko Konstantinovo is located in central Pazardzhik Province and has a territory of 15.864 km2.[2] It is part of Pazardzhik Municipality. The distance from the municipal center Pazardzhik is 7 km in northern direction. It is less than 1 km southeast of the neighbouring village of Glavinitsa, situated on the main north–south transport artery of the province, the second class II-37 road. The village is situated in the western part of the Upper Thracian Plain, at the foothills of the Rhodope Mountains. There is a school and a church.
The village lies in a fertile agricultural area and has well-developed livestock breeding. South of the settlement, along the northernmost slopes of the Rhodope Mountains is located the Aleko Hydro Power Plant (71.7 MW), part of the Batak Hydropower Cascade (254 MW).[3]