There have been several naval vessels and a single naval station called HMS Tamar, after the River Tamar in South West England.
- The first Tamar by was as sloop built by Snook of Saltash in 1758. Renamed as Pluto and became a fire-ship, it was later captured by the French in 1780.
- The second Tamar was built in Chatham Dockyard in 1796, but it served only until 1803.
- The third Tamar began service in 1814 and served until 1827. It was decommissioned from the Royal Navy in 1828 and became a coal depot ship in 1833.
- The fourth Tamar was an iron screw troop ship of 3,650 tons, built by Samuda Brothers in Cubitt Town, Isle of Dogs in 1863. It was subsequently stationed in the British territory of Hong Kong, and gave its name to the Royal Naval station there.
- Tamar was the name for the Royal Navy's shore base in Hong Kong from 1897 to 1997, named after the 4th generation vessel.
Merchant vessels
The SS Tamar, was a 3207 ton British steamer run by the Royal Mail Steam Packet Company, which was sunk off Brazil during World War I by the Kronprinz Wilhelm on March 24, 1915, while on passage from Santos to Le Havre. [1]

