Kieffer is a surname. Notable people with the surname include:

• Aldine Silliman Kieffer (1840–1904), American music writer
• André Kieffer (1903-1984), French politician in Chad
• Charles Kieffer (1910–75), American athlete
• Eduardo Gudiño Kieffer (1935–2002), Argentine writer
• Guy-André Kieffer (born 1949), French-Canadian journalist
• John Kieffer, American information theorist
• Josef Kieffer (1900–1947), German Nazi executed for war crimes
• Jean-Jacques Kieffer (1857–1925), French entomologist
• Leo Kieffer (1930–2017), American politician and businessman
• Oliver Kieffer (born 1979), French volleyball player
• Philippe Kieffer (1899–1962), French naval officer
• Robert Kieffer (born 1946), Canadian politician
• Susan Kieffer (born 1942), American geologist

See also

• Kiefer

Surname list

This page lists people with the surname Kieffer.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.