Gafsa ( ), originally called Capsa in Latin, is the capital of Gafsa Governorate of Tunisia. It lends its Latin name to the Mesolithic Capsian culture. With a population of 111,170, Gafsa is the 9th-largest Tunisian city.
Gafsa may refer to:
- Gafsa, a city in Tunisia
- Gafsa (wasp), a wasp genus in the family Encyrtidae