The 4th (Westphalian) Cuirassiers "von Driesen" was a heavy cavalry regiment of the Royal Prussian Army.
The regiment was formed in 1717.
The regiment fought in the Silesian Wars, the War of the Sixth Coalition, the Austro-Prussian War, the Franco-Prussian War and World War I.
The regiment was disbanded in 1919.
Die preussischen Kavallerie-Regimenter 1913/1914 nach dem Gesetz vom 3.