Lezgian, also called Lezgi or Lezgin /ˈlɛzɡiːn/,[2][3] is a Northeast Caucasian language.

It is spoken by the Lezgins, who live in southern Dagestan (Russia); northern Azerbaijan; and to a much lesser degree Turkmenistan; Uzbekistan; Kazakhstan; Turkey, and other countries.

It is classified as "vulnerable" by UNESCO's Atlas of the World's Languages in Danger.

[4] In 2002, Lezgian was spoken by about 397,000 people in Russia, mainly Southern Dagestan; in 1999 it was spoken by 178,400 people in mainly the Qusar, Quba, Qabala, Oghuz, Ismailli and Khachmaz provinces of northeastern Azerbaijan.

Lezgian is also spoken in Kazakhstan, Kyrgyzstan, Turkey, Turkmenistan, Ukraine, Germany and Uzbekistan by immigrants from Azerbaijan and Dagestan.

Standard Lezgian grammar features 18 grammatical cases,[13] produced by agglutinating suffixes, of which 12 are still used in spoken conversation.