HMS Seahorse

Ten ships of the Royal Navy have borne the name HMS "Seahorse", after the marine creature, the Seahorse:

* was a ship captured in 1626 and last mentioned in 1635.
* was a hoy captured in 1654 and sold in 1655.
* was a 10-gun fireship purchased from the Dutch in 1694, later used as a water boat, and sunk as a foundation in 1698.
* was a 24-gun Sixth rate launched in 1694 and wrecked in 1704.
* was a 14-gun Sixth rate launched in 1709 and wrecked in 1711.
* was a 20-gun Sixth rate launched in 1712, rebuilt in 1727 and sold in 1748.
* was a 24-gun Sixth rate launched in 1748 and sold in 1784.
* was a 38-gun Fifth rate launched in 1794 and broken up in 1819.
* was a 46-gun Fifth rate launched in 1830. She was converted to a screw frigate in 1847, then a screw mortar vessel in 1856. She was renamed "Lavinia" and used as a coal hulk in 1870 and was sold in 1902.
* was an S class submarine launched in 1932 and sunk in 1940.