Argonaute was a 74-gun ship of the line of the French Navy.
Under Vice-amiral Villaret de Joyeuse, she took part in the Saint-Domingue expedition in 1802.
She took part in the Battle of Trafalgar in October 1805, and managed to return to Cádiz.
Unable to leave the harbour because of the British blockade and damage, she was exchanged for the Vencedor in December 1806.
This article about a ship of the line of France is a stub.