A number of ships have been named Seahorse or Sea Horse after the marine creature, including:-

• The transport ship Sea Horse was wrecked in Tramore Bay on 30 January 1816 with the loss of 376 of the 402 people on board. She was on a voyage from Ramsgate to Cork.^[1]
• MV Seahorse - a Tanzanian tanker in service 2012-16
• MV Sea Horse - a ship captured by pirates in 2009

• HMS Seahorse (1626) was a ship captured in 1626 and last mentioned in 1635.^[2]
• HMS Seahorse (1654) was a hoy captured in 1654 and sold in 1655.^[2]
• HMS Seahorse (1694 fireship) was a 10-gun fireship purchased from the Dutch in 1694, later used as a water boat, and sunk as a foundation in 1698.^[2]
• HMS Seahorse (1694) was a 24-gun sixth rate launched in 1694 and wrecked in 1704.^[2]
• HMS Seahorse (1709) was a 14-gun sixth rate launched in 1709 and wrecked in 1711.^[2]
• HMS Seahorse (1712) was a 20-gun sixth rate launched in 1712, rebuilt in 1727 and sold in 1748.^[2]
• HMS Seahorse (1748) was a 24-gun sixth rate launched in 1748 and sold in 1784.^[2]
• HMS Seahorse (1794) was a 38-gun fifth rate launched in 1794 and broken up in 1819.^[2]
• HMS Seahorse (1830) 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.^[2]
• HMS Seahorse (1880) was a 670-ton twin screw survey ship, launched in 1881 and sold for scrap in 1920.^[2]
• HMS Seahorse (98S) was an S-class submarine launched in 1932 and sunk in 1940.^[2]

• USS Sea Horse (1812) was a one-gun schooner, purchased by the Navy in 1812 for service in the War of 1812. She was beached and burned to prevent capture in 1814.
• USS Seahorse (SS-304) was a Balao-class submarine, commissioned in 1943 and stricken in 1967.
• USS Seahorse (SSN-669) was a Sturgeon-class submarine, commissioned in 1969 and stricken in 1995.

List of ships with the same or similar names

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.