Diesselhorst
Diesselhorst is the family name of the following people:
- Gerd Diesselhorst (1911–2008), German ornithologist
- Jan Diesselhorst (1954–2009), German cellist
- Malte Diesselhorst (1928–2012), German lawyer and author
Dießelhorst is the family name of the following people:
- Hermann Dießelhorst (1870–1961), German physicist