Lindi is a historic southern Tanzanian coastal town and regional capital of the Lindi Region. The town is located at the far end of Lindi Bay on the Indian Ocean in southeastern Tanzania. The town is 450 kilometres (280 mi) south of Dar es Salaam and 105 km (65 mi) north of Mtwara, the southernmost coastal town in Tanzania, and gives its name to the surrounding Lindi Region. The Lindi Region is a large, yet sparsely populated, region of Tanzania.

Lindi Region is one of Tanzania's 31 administrative regions. The region covers an area of 66,040 km2 (25,500 sq mi). The region is comparable in size to the combined land area of the nation state of Sri Lanka. The regional capital is the municipality of Lindi.