Khinalug (also spelled Khinalig, Khinalugi, Xinalug(h), Xinaliq or Khinalugh) is a Northeast Caucasian language spoken by about 3,000 people in the villages of Khinalug and Gülüstan, Quba in the mountains of Quba Rayon, northern Azerbaijan. It forms its own independent branch within the Northeast Caucasian language family. Khinalug is endangered, and classified as "severely endangered" by UNESCO's Atlas of the World's Languages in Danger.