Friedrich Karl
Friedrich Karl is the name of the following people:
- Friedrich Karl (Württemberg-Winnental) (1652–1698), Duke
- Friedrich Karl August (Lippe) (1706–1781), Count of Lippe-Biesterfeld, Sternberg and Schwalenberg
- Friedrich Karl (Schleswig-Holstein-Sonderburg-Plön) (1722–1761), Duke
- Friedrich Karl (Wied-Neuwied) (1741–1809), Prince
- Friedrich Karl August (Waldeck-Pyrmont) (1743–1812), Prince
- Friedrich Karl Ludwig (Schleswig-Holstein-Sonderburg-Beck) (1757-1816), Duke
- Friedrich Karl (Schwarzburg-Rudolstadt) (1790–1793), Prince
- Friedrich Karl of Prussia (1828–1885) , prince and general
- Friedrich Karl of Prussia (1893–1917) , horseman
- Friedrich Karl of Prussia (1919–2006) , nobleman
