Tana Toraja is a landlocked regency (kabupaten) of South Sulawesi Province of Indonesia, and home to the Toraja ethnic group. It covers an area of 2,054.30 km2 (793.17 sq mi) and had a population of 221,081 at the 2010 census and 280,794 at the 2020 census; the official estimate as at mid 2022 was 291,046, but the official figure for mid 2023 was a much reduced total of 257,901.

Rantepao is a town and the capital of North Toraja Regency, which is known for being the cultural center of the Toraja ethnic group. National and regional tourism offices have developed the city as the starting point for visiting Tana Toraja, since the area was opened for tourism in the 1970s.