Karl Leiningen
Karl Leiningen is the name of the following people:
- Karl zu Leiningen (1804–1856), third prince of Leiningen, royal Bavarian lieutenant general, first prime minister of the government of the provisional central authority belonging to the Frankfurt National Assembly
- Karl zu Leiningen (1898–1946) (1898–1946), from 1939 sixth Prince of Leiningen
- Karl zu Leiningen-Westerburg-Altleiningen (1819–1849), Hungarian general in the Revolutionary War of 1848/49
- Karl Emich zu Leiningen-Westerburg-Neuleiningen (1856–1906), German nobleman, cavalry officer, historian and heraldist
- Karl Ludwig von Leiningen-Dagsburg-Emichsburg (1704–1747), ruling count and general of the Electorate of the Palatinate
- Karl Polykarp zu Leiningen-Billigheim (1860–1899), Baden registrar
- Karl Theodor zu Leiningen-Billigheim (1794–1869), nobleman from Baden
- Karl Wenzel zu Leiningen-Billigheim (1823–1900), Baden registrar