Castberg
Castberg is a Norwegian surname. Notable people with the surname include:
- Frede Castberg, Norwegian jurist
- Johan Castberg, Norwegian jurist and politician
- Johan Christian Castberg, Norwegian illustrator and painter
- Johan Christian Tandberg Castberg, Norwegian politician
- Leif Castberg, Norwegian lawyer and politician
- Oscar Castberg, Norwegian painter and sculptor
- Peter Atke Castberg, Danish professor
- Peter Harboe Castberg (banker), Norwegian banker
- Peter Hersleb Harboe Castberg, Norwegian priest and politician
- Torgrim Castberg, Norwegian violinist