The Guards Cuirassiers (German: '''Garde-Kürassier-Regiment''') were a heavy cavalry regiment of the Royal Prussian Army. Formed in 1815 as an Uhlans regiment, it was reorganized as a cuirassiers unit in 1821. The regiment was part of the Guards Cavalry Division and fought in the Second Schleswig War, the Austro-Prussian War, the Franco-Prussian War and World War I. The regiment was disbanded in September 1919.