| Official Name: | Kök-Jar |
| Native Name: | Көк-Жар |
| Pushpin Map: | Kyrgyzstan |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: | Kyrgyzstan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Osh Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Nookat District |
| Population As Of: | 2021 |
| Population Total: | 3573 |
| Coordinates: | 40.2989°N 72.3739°W |
| Elevation M: | 1250 |
Kök-Jar (ky|Көк-Жар, ru|Кок-Джар) is a village in the southwest of Nookat District, Osh Region, Kyrgyzstan. Its population was 3,573 in 2021. Mitalip Mamytov, who performed the first brain surgery in Kyrgyzstan, was born in Kök-Jar.