South Sulawesi (Indonesian: Sulawesi Selatan, short form Sulsel) is a province of Indonesia, located on the western southern peninsula of Sulawesi Island. The province is bordered by Central Sulawesi province to the north, South East Sulawesi province to the east and West Sulawesi province to the west (West Sulawesi province was split from South Sulawesi in 2004). It is the most populated and densest province on Sulawesi Island, its capital, Makassar, is a major regional center and the largest city on the island. The Selayar Islands archipelago is part of the province.

South Sulawesi Province is divided into 26 regencies and 3 independent cities, listed below with their (provisional) populations at the 2010 Census.

South Sulawesi recorded 8,032,551 people in the decennial 2010 census, having a growth rate of 1.17 percent over the adjusted Indonesia 2000 census figure, less than the national average of 1.49 percent. West Sulawesi split off from South Sulawesi in 2004. There were 3,921,543 males and 4,111,008 females, 1,848,132 housing units with average of 4.34 per unit versus national average of 3.86, some 13.3 percent of the population was under the national poverty line. It is the major regional center for Sulawesi island and is the major recipient of migration from all over the island.