南圣卡埃塔诺（葡萄牙语：São Caetano do Sul）是巴西圣保罗州的一个市镇。总面积15.36平方公里，总人口133241人，人口密度8674.5人/平方公里。

• 圣保罗州市镇列表

São Caetano do Sul (or São Caetano) is a city in São Paulo state in Brazil. It is part of the Metropolitan Region of São Paulo. The population is 158,024 (2015 est.) in an area of 15.33 km². It is the city with the highest per capita income in Brazil (US$31,322.00 in 2010) and it also has the highest Human Development Index.