Courageux was a 74-gun ship of the line of the French Navy, lead ship of a two-ship sub-type of the Téméraire class that also comprised Marengo. She was started as Alcide, and renamed in 1802. She was commissioned on 8 April 1806 under Amable Troude. On 16 February 1809, she left Lorient as flagship of a squadron also comprising Polonais and Hautpoult.