斯法克斯（阿拉伯语：صفاقس‎）是突尼斯共和国继首都突尼斯城之后的第二大城市，也是斯法克斯省的首府，位于突尼斯之东南方约270千米，有A1高速公路与之相连。

Sfax (Arabic:صفاقس‎  Ṣfāqes; Berber: Sifaks) is a city in Tunisia, located 270 km (170 mi) southeast of Tunis. The city, founded in AD 849 on the ruins of Taparura and Thaenae, is the capital of the Sfax Governorate (about 860,000 inhabitants in 2005), and a Mediterranean port. Sfax has a population of 340,000 (2005 estimate). The main economic activities of Sfax are industries (phosphate processing), agriculture (olive and olive oil, nuts), fishing (largest fishing port in Tunisia) and trade (import-export). The city is often described as Tunisia's "second city" (after the capital Tunis).