Kökjanggak (also Kok-Jangak or Kok-Dzhangak, Kyrgyz: Көкжаңгак, meaning in Kyrgyz "green walnut", pronounced [kœkd͡ʒɑɴɢɑ́q]) is a town of about 10,000 in the Suzak District of the Jalal-Abad Oblast of western Kyrgyzstan, located at a distance of about 35 km of the regional centre city Jalal-Abad.