Tae’ is a language spoken in Tana Luwu (Land of Luwu). It is an Austronesian language of Sulawesi, Indonesia, and one of the languages of the ten tribes that inhabit Tana Luwu, South Sulawesi. The Tae' language is used by most of the inhabitants of the four districts of Tana Luwu: Luwu, North Luwu, Luwu Timur, and Palopo town. Tae' is part of the South Sulawesi group of languages. It is closely related to Toraja, and more distantly to Mandar, Massenrempulu, and Mamuju. Tae' is used as a lingua franca from south of the border with Buriko Kabupatan Wajo to Malili East Luwu regency, as well as in Tana Toraja and Massenrempulu.

Tae' is a dialect cluster consisting of 12 ethnic dialects used by the people who were in the area of Tana Toraja. Tana Toraja is an area that was formerly the territory Kedatuan (Government) Old Luwu. Ancient Kedatuan Luwu district stretches from the administration area Luwu regency, East Luwu, North Luwu and Palopo, Siwa (Wajo), Kolaka, Lasusua (Sultra now. But now, Tana Luwu consists only of Luwu, North Luwu and East Luwu City of Palopo.

Since Islam as the official religion in official United Luwu, Luwu Government has made Buginese the language of introduction and Tae' is the language in everyday situations.