Ulm was a 100-gun Hercule-class ship of the line of the French Navy.

Ordered as Lys under the absolute monarchy of Charles X, the ship, still under construction, was renamed Ulm on 9 August 1830, following the July Revolution.

She was transformed into a sail and steam ship, receiving an Indret engine, and was eventually launched in 1854.

[1] She served in the Black Sea during the Crimean War and took part in the Battle of Kinburn.

[2] Struck in 1867, she was used as a coaling hulk in Brest before being eventually broken up in 1890.