- Language: Judeo-Tat
- Alternate names: Judeo-Tatic, Jewish Tat, Bik, Dzhuhuric, Juwri, Juhuri
- Language code: jdt
- Language family: Indo-European, Indo-Iranian, Iranian, Western, Southwestern, Tat
- Number of speakers: 101000
Judeo-Tat is the native language of the ancient Jewish communities of Mountain Jews in the Daghestan region of the Caucasus. It is written in the Cyrillic alphabet and recently the Hebrew alphabet has been employed as well. For twenty years, from 1920 to 1940, literary creations in Judeo-Tat were published in the Latin alphabet. It is spoken in the Republic of Daghestan, part of the Russian Federation, and in Israel.