Hans Lassen
Hans Lassen is the name of the following people:
- Hans Lassen (politician) (1831–1896), German farmer and politician, MdR
- Hans Lassen (architect) (1868 – after 1931), German architect
- Hans Lassen (physicist) (1897–1974), German physicist and university professor
- Hans August Lassen (1857–1938), German-Danish painter
- Hans J. Lassen ( Hans Jacob Lassen ; 1926–2011), Danish lawyer and civil servant, Landshøvding von Greenland