Jan B. Jansen | |
|---|---|
| Born | 25 September 1898 |
| Died | 28 November 1984 (aged 86) |
| Nationality | Norwegian |
| Occupation | Physician |
| Children | Jan K. S. Jansen |
| Awards | Order of St. Olav (1963) |
Jan Birger Jansen (25 September 1898 – 24 November 1984) was a Norwegian physician, anatomist and scientist, specializing in brain research. He played an important role in the Norwegian civil resistance during the Second World War.