Ortwein
Ortwein is the family name of the following people:
- August Ortwein (1836–1900), Austrian architect
- Carlernst Ortwein (1916–1986), German musician and composer
- Jörg Maria Ortwein (* 1961), German saxophonist, music educator, educational scientist and university director.
- Mike Ortwein (* 1993), German ice hockey player
- Otto Ortwein (1935–1990), German rhythm and blues musician