Ritgen
Ritgen is the family name of the following people:
- Alfons Nicodemus Heinrich Ritgen (1820–1879), royal Prussian major general
- Ferdinand von Ritgen (1787–1867), German medical professor, gynecologist and founder of an obstetrics school
- Gerd Ritgen (1910–1998), German politician (CDU), member of the Bundestag
- Hugo von Ritgen (1811–1889), German architect
- Udo Ritgen (1916–2010), German general and lawyer
- Ulrich von Ritgen (1894–1969), German officer and involved in the murder of Karl Liebknecht