A number of ships of the French Navy have borne the name Neptune, or a variant thereof:
(1610–1615), a privateer (1628–1641), a 16-gun ship of the line (1651–1655), a ship of the line (1666–1671), a 64-gun ship of the line, also known as Illustre (1671–1679), a 36-gun ship of the line, also known as Beaufort (1670–1702), a 40-gun ship of the line , a 46-gun ship of the line (1697–1699), a 24-gun frigate (1705–1713), a 64-gun ship of the line (1716), a 74-gun ship of the line (1724–1747), a 74-gun ship of the line (1778–1795), a 74-gun ship of the line , a corvette (1780–1782), a 6-gun schooner , a 16-gun corvette , a cutter (1795–1798), a gunboat (1795), a lugger (1799–1799), a schooner (1801–1805), troopship n°188 (1804–1808), troopship n°262 , a launched in 1804, captured by the Spanish in 1808 and renamed (1805–1814), a xebec , 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 (1839–1858), an 80-gun ship of the line (1892–1908), a (1914–1919), an auxiliary minesweeper , an ex-German ship of the Reichsbahn