Kieffer
Kieffer is a surname. Notable people with the surname include:
- Aldine Silliman Kieffer, American music writer
- Charles Kieffer, American athlete
- Eduardo Gudiño Kieffer, Argentine writer
- Guy-André Kieffer, French-Canadian journalist
- Josef Kieffer, German Nazi executed for war crimes
- Jean-Jacques Kieffer, French entomologist
- Leo Kieffer, American politician and businessman
- Oliver Kieffer, French volleyball player
- Philippe Kieffer, French naval officer
- Robert Kieffer, Canadanian politician
- Susan Kieffer, American geologist
