A number of ships of the French Navy have borne the name Neptune, or a variant thereof:
Neptune (1610-1615), a privateer
Neptune (1628-1641), a 16-gun ship of the line
Neptune (1651-1655), a ship of the line
Neptune (1666-1671), a 64-gun ship of the line, also known as Illustre
Neptune (1671-1679), a 36-gun ship of the line, also known as Beaufort
Neptune (1670-1702), a 40-gun ship of the line
Neptune (1689), a 46-gun ship of the line
Neptune (1697-1699), a 24-gun frigate
Neptune (1705-1713), a 64-gun ship of the line
Neptune (1716), a 74-gun ship of the line
Neptune (1724-1747), a 74-gun ship of the line
Neptune (1778-1795), a 74-gun ship of the line
Neptune (1780), a corvette
Neptune (1780-1782), a 6-gun schooner
Neptune (1793), a 16-gun corvette
Neptune (1794), a cutter
Neptune (1795-1798), a gunboat
Neptune (1795), a lugger
Neptune (1799-1799), a schooner
Neptune (1801-1805), troop ship n°188
Neptune (1804-1808), troop ship n°262
Neptune, a Tonnant class ship of the line launched in 1804, captured by the Spanish in 1808 and renamed Neptuno
Neptune (1805-1814), a xebec
Nettuno, a brig launched in Venice in 1807, that the Royal Navy captured in 1808 and that became HMS Cretan
Neptune (1811-1814), an unbuilt 110-gun Commerce de Paris class ship of the line
Neptune (1839-1858), an 80-gun ship of the line
Neptune (1892-1908), a Marceau class battleship
Neptune (1914-1919), an auxiliary minesweeper
Neptune, an ex-German ship of the Reichsbahn
