Christophe Antoine Merlin (27 May 1771 – 9 March 1839) became a French division commander during the Napoleonic Wars. He joined a volunteer regiment in 1791 and fought against the Kingdom of Spain in the War of the Pyrenees. After becoming an officer in the 4th Hussar Regiment, he participated in the Rhine and Italian campaigns. In 1805 he was promoted general of brigade and fought in Italy and in the 1806 Invasion of Naples. Later he became an equerry to Joseph Bonaparte when that individual headed the Kingdom of Naples.