Jean-Bernard Gauthier de Murnan (1748, Bourg-en-Bresse – 27 September 1796) was a French officer for the Continental Army and a French General during the French Revolution. When he was young, he had to leave France to serve as a cavalry officer and then military engineer in the Russian army. When he returned to France, he was sent to support the newly born United States as a Lt. Colonel Engineer in the Continental Army. During the French Revolution era, he was appointed Colonel of the Infantry, then Colonel of the Cavalry, and then promoted to Brigade General in command of the cavalry.