Karl Krieger
Karl Krieger is the name of the following people:
- Karl Krieger (homeopath) (1817–1874), German-Swiss homeopath and association official
- Karl Krieger (aircraft designer) (1885–1918), German aircraft designer and pilot, see Krieger-Gnädig
- Karl Krieger (around 1867–1957), German architect, see Carl Krieger
- Karl-Friedrich Krieger (1940–2020), German historian