Karl Siebert
Karl Siebert is the name of the following people:
- Karl Siebert (art historian) (1858 – after 1925), German art historian
- Karl Siebert (local poet) (1875–1952), German civil servant, songwriter and local poet
- Karl Siebert (trade unionist) (1896–1973), German trade unionist, chairman of IG Post and Telecommunications in the FDGB
See also:
- Carl Siebert (1922–2012), German painter and engraver