The Conquérant was a Bucentaure-class 80-gun ship of the line of the French Navy, designed by Sané. She was commissioned in Anvers under Captain Lafond in the Scheldt squadron. Following the Bourbon Restoration, she was sent to Brest, where she underwent a refit in 1821, and was sent to Toulon in 1824. She took part in the Morea expedition in 1827. She was damaged by fire at Smyrna, Russia, on 29 October 1829. She participated in the Invasion of Algiers in 1830.