Theodor Hansen
Theodor Hansen is the name of the following people:
- Theodor Hansen (educator, 1816) (1816–1898), Danish educator
- Theodor Hansen (clergyman, 1824) (1824–1903), German pedagogue, clergyman and author
- Theodor Hansen (clergyman, 1837) (1837–1923), German clergyman
- Theodor Hansen (historian) (1838–1913), Danish theologian and historian
- Theodor Hansen (physician) (1867–1938), German surgeon and museum curator
- Theodor Hansen (photographer) (1882–1962), German photographer