Kiefner
Kiefner is the family name of the following people:
- Charles Edward Kiefner (1896–1942), American politician
- Hans Kiefner (* 1929), German lawyer
- Theo Kiefner (theologian) (1923–2015), German Protestant theologian
- Theo Kiefner (athlete) (* 1959), German athlete, trainer and photographer
- Walter Kiefner (1900–1982), German church musician