Baron Jan Leon Hipolit Kozietulski was a Polish noble, military commander and an officer of the armed forces of the Duchy of Warsaw during the Napoleonic Wars. He is best remembered as the heroic commander of the Polish cavalry charge at the Battle of Somosierra.
- Occupation
- military officer
- Citizenship
- Duchy of Warsaw, Congress Poland, Polish–Lithuanian Commonwealth
- Born
- July 4, 1781
- Died
- February 3, 1821