Tønseth
Tønseth is a surname. Notable people with the surname include:
- Didrik Tønseth (diplomat), Norwegian diplomat and lawyer
- Didrik Tønseth (skier), Norwegian cross-country skier
- Erik Tønseth, Norwegian jurist and industrialist
- Jan Jakob Tønseth, Norwegian author, poet and translator
- Per Tønseth, Norwegian judge