Karl Loewenstein
Karl Loewenstein is the name of the following people:
- Karl Loewenstein (banker) (1887–1976), German bank director
- Karl Loewenstein (lawyer) (1891–1973), American lawyer of German origin
- Karl Prince zu Löwenstein-Wertheim-Rosenberg (* 1952), German industrial engineer and Maltese
- Karl Heinrich zu Löwenstein-Wertheim-Rosenberg (1834–1921), German politician, MdR