François Xavier de Schwarz or François-Xavier-Nicolas Schwartz (8 January 1762 – 9 October 1826) was born in Baden but joined the French army in 1776. He became a cavalry officer during the French Revolutionary Wars, fighting with the 2nd Hussar Regiment in numerous actions including Jemappes, Fleurus, and Neuwied. After being captured in an abortive invasion of Ireland, he was promoted to command the 5th Hussar Regiment. He led the unit in the War of the Second Coalition, most notably at Hohenlinden and in the subsequent pursuit of the Austrians.