HMS Tamar was a 26-gun Conway class sixth rate launched in 1814, converted into a coal hulk in 1831 at Plymouth and sold in 1837. Built in 1814 by Josiah & Thomas Brindley, Frindsbury. She arrived in Halifax, after 75 men died of fever, including Captain Arthur Stowe. 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. Converted to a coal hulk in 1831, based at Plymouth.