» Not to be confused with the Tat Tatars and Tati.:For Tattoos, also called "tats" see, Tattoo. The Tat are an Iranian ethnic group in the Transcaucasia. The Muslim Tats are considered an Iranic (Aryan) ethnic group in the Caucasus and the Jewish Tats have adopted the language of Tati in ancient times. The Tats speak a southwest Iranian language called Tati, which's also referred to as Tat-Persian by some linguists. This language shouldn't be mistaken with another Tati family which's more relat… (More on Tats)