French ship Neptune

A number of ships of the French Navy have borne the name "Neptune":
* "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" (1804-1808), a "Tonnant" class ship of the line
* "Neptune" (1805-1814), a xebec
* "Neptune" (1807)
* "Neptune" (1811-1814), an unbuilt 110-gun "Commerce de Paris" class ship of the line
* "Neptune" (1839-1858), a 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"