HMS Tamar was a 26-gun Conway-class post-ship launched in 1814, converted into a coal hulk in 1831 at Plymouth, and sold in 1837.

She arrived in Halifax, after 75 men died of fever, including Captain Arthur Stowe.

She was driven ashore on the coast of Labrador, British North America, in early August 1819, but later was refloated.

[2] Under the command of Captain George Richard Pechell, she captured a large pirate brig near San Domingo in 1820.

She was part of the failed settlement on Melville Island at Fort Dundas in the Gulf of Carpentaria.