Balpyk Bi (Kazakh: Балпық би, Balpyq Bi) is a settlement and capital of Koksu District in Jetisu Region of south-eastern Kazakhstan.

It is named after the 18-century Kazakh military hero Balpyk Derbisaliuly.

Population: 12,654 (2009 Census results);[1] 12,145 (1999 Census results).

[1] Located on the Koksu River, the Kyzylbulak Hydroelectric Power Plant is located in the area.