A large number of ships of the French Navy have borne the name Argonaute in honour of the mythological navigators argonauts. Among them:
- , a 50-gun ship of the line, personal ship of Emmanuel-Auguste de Cahideuc, Comte Dubois de la Motte
- , a 46-gun ship of the line, lead ship of her class
- , a 74-gun ship of the line, razéed to a 42-gun ship in 1794 and renamed Flibustier, out of service in 1795
- , a 74-gun ship of the line that took part in the Battle of Trafalgar
- Argonaute (1806), formerly the Spanish Vencedor of 78 guns
- , a ship of the line launched in 1840 but never commissioned
- , a torpedo boat
- , a prototype submarine
- , a submarine, lead ship of her class, sunk by and/or on 8 November 1942
- , a submarine of the Aréthuse type (1958), now a museum
- , a ship specialised in rescue and decontamination
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