Harmsen
Harmsen is the family name of the following people:
- Björn Harmsen (* 1982), German basketball coach
- Claus Harmsen (* 1947), German lawyer and journalist
- Hans Harmsen (1899–1989), German social hygienist and population scientist
- Johann Andreas Harmsen (1782–1861), German captain and circumnavigator
- Johann Hermann Harmsen (1733–1799), German Evangelical Lutheran clergyman
- Lars Harmsen (* 1964), German typographer, graphic designer and university lecturer
- Sallie Harmsen (* 1989), Dutch actress
- Torsten Harmsen (* 1961), German journalist and writer