Étienne Clavier (26 December 1762 in Lyon – 18 November 1817 in Paris) was a French Hellenist and magistrate.
He entered the magistracy under the Directoire, serving as a judge in the criminal tribunal of the Seine, where he made himself prominent by the independence of his character in the trial of General Moreau.
He was appointed to the chair in history and ethics at the Collège de France in 1812 and was named censeur royal at the Bourbon Restoration.
In one on the Oracles of the Ancients, he asserted that the priesthood of Antiquity were under no necessity of fraud in producing their miracles, which were easily explained by the confidence and credulity of the people.
His principal merit, according to Pierre Larousse, is to have pursued classical studies during a period that lacked classicists of the first order.