Hans Joachim von Zieten, sometimes spelled Johann Joachim von Ziethen, (14 May 1699 – 26 January 1786), also known as "Zieten aus dem Busch", was a cavalry general in the Prussian Army. He served in four wars and was instrumental in several victories during the reign of Frederick the Great, most particularly at Hohenfriedberg and Torgau. He is also well known for a raid into the Holy Roman Empire during the Second Silesian War, known as "Zieten's Ride". After engaging in a reputed 74 duels, and fighting in four wars, he died in his bed at the age of 86.