Friedrich Karl Prince of Prussia
- Category : Notable-Famous-Royal-family
- Type : GP
- Profile : 2/4 - Hermit / Opportunist
- Definition : Triple Split
- Incarnation Cross : RAX The Vessel of Love 1
German prince, the son of Prince Karl (Charles) of Prussia (1801–1883) and his wife, Princess Marie of Saxe-Weimar-Eisenach (1808–1877).
The prince served as a captain during the Schleswig campaign of 1848 and as a major in a campaign in Baden during which he was wounded. During the following peace years he was promoted to colonel in 1852, major general in 1854 and lieutenant general in 1856. He served with distinction in the Austro-Prussian War and the Franco-Prussian War.
On 29 November 1854 at Dessau he married Princess Maria Anna of Anhalt-Dessau (1837–1906), daughter of Leopold IV, Duke of Anhalt. They had five children. He died on 15 June 1885.