Impétueux was a 74-gun built for the French Navy during the 1790s. Completed in 1803, she played a minor role in the Napoleonic Wars.
Designed by Jacques-Noël Sané, the Téméraire-class ships had a length of , a beam of and a depth of hold of . The ships displaced 3,069 tonneaux and had a mean draught of . They had a tonnage of 1,537 port tonneaux. Their crew numbered 705 officers and ratings during wartime. They were fitted with three masts and ship rigged.
The muzzle-loading, smoothbore armament of the Téméraire class consisted of twenty-eight 36-pounder long guns on the lower gun deck and thirty 18-pounder long guns on the upper gun deck. On the quarterdeck and forecastle were a total of sixteen 8-pounder long guns. Beginning with the ships completed after 1787, the armament of the Téméraires began to change with the addition of four 36-pounder obusiers on the poop deck (). Some ships had instead twenty 8-pounders.
Impétueux was ordered on 31 May 1798 and laid down at the Arsenal de Lorient on 22 September. The ship was named on 19 December as Brutus. She was launched on 24 January 1803 and renamed Impétueux on 5 February. The ship was completed the following month. Impétueux served in the Caribbean under Jean-Baptiste Philibert Willaumez during the Atlantic campaign of 1806. On 19 August 1806, Impétueux was dismasted in a storm and drifted until 10 September 1806. On 14 September 1806, she was chased by Sir Richard John Strachan's Royal Navy squadron comprising , and ; unable to fight, she was beached in Chesapeake Bay. Her wreck was set ablaze by the British and the crew was taken prisoner.