Trajan was a Téméraire-class ship of the line 74-gun ship of the line of the French Navy. In 1793, Trajan was commissioned in Lorient, under captain Villaret de Joyeuse. At the Bataille du 13 prairial an 2, along with FRENCH SHIP Éole, she engaged and dismasted the British HMS Bellerophon (1786). In 1797, she took part in the Expédition d'Irlande, an ill-fated attempt to invade Ireland. On 17 December 1797, she was renamed Gaulois. She was eventually broken up in 1805.