Tabasaran (also written Tabassaran) is a Northeast Caucasian language of the Lezgic branch. It is spoken by the Tabasaran people in the southern part of the Russian Republic of Dagestan. There are two main dialects: North (Khanag) and South Tabasaran. It has a literary language based on the Southern dialect, one of the official languages of Dagestan.

Tabasaran is an ergative language. The verb system is relatively simple; verbs agree with the subject in number, person and (in North Tabasaran) class. North Tabasaran has two noun classes (that is, grammatical gender), whereas Southern Tabasaran lacks noun classes / gender.

It is spoken in the basin of Upper Rubas-nir and Upper Chirakh-nir.

The post-alveolar sibilants may be whistled.

Vowels of Tabasaran are /i, y, ɛ, æ, ɑ, u/.^{[citation needed]}

Peter von Uslar devised Cyrillic-based orthographies for many Caucasian languages, including Tabasaran.

From 1931 to 1938, the Latin alphabet was used as a base for the Tabasaran writing system. The first book was published in 1932.

Initially, the alphabet took the following form: