The Saint Louis was a 90-gun Suffren-class Ship of the line of the French Navy. She was the twenty-second ship in French service named in honour of Louis IX of France.
Started as Achille, the ship was renamed Saint Louis in 1850. She took part in the Crimean War as a troopship, In July 1854, she ran aground at Kiel, Prussia. She was refloated on 26 July.[1] She bombed the Tétouan forts on 20 November 1859, and served in the French intervention in Mexico in 1862.
She was renamed Cacique in 1881 and served as a gunnery school, and was eventually broken up in 1895.