Capsa (dim. capsula, or scrinium) was the box for holding books (scrolls) in Ancient Rome, usually made of beech-wood, a cylindrical form.
It may also refer to:
- Capsa (Roman colonia), an ancient Roman city
- Gafsa, the modern city in Tunisia
- Capsa (software), a network protocol analyzer (packet sniffer) for Windows
- Capsa (see), a Roman Catholic titular see.
- Cap Sa/Capsa, another name for the card game Big Two.
- Casa Capșa, a restaurant and hotel in Bucharest, Romania
