Family: Nakh-Daghestanian (28 languages)

 Genus: Avar-Andic-Tsezic (subfamily: Daghestanian) (13 languages)
Akhvakh
Andi
Avar
Bagvalal
Bezhta
Chamalal
Godoberi
Hinukh
Hunzib
Karata
Khvarshi
Tindi
Tsez
 Genus: Lak-Dargwa (subfamily: Daghestanian) (2 languages)
Dargwa
Lak
 Genus: Lezgic (subfamily: Daghestanian) (10 languages)
Aghul
Archi
Budukh
Khinalug
Kryz
Lezgian
Rutul
Tabassaran
Tsakhur
Udi
 Genus: Nakh (3 languages)
Chechen
Ingush
Tsova-Tush