Fifteen ships of the Royal Navy have borne the name HMS Mary:
HMS Mary was a Cinque Ports ship in service in 1350.HMS Mary was a ship in service from 1400 and given away in 1423.HMS Mary was a ship in service from 1413 and lost in 1426.HMS Mary was a Royalist ketch in 1648. She was captured by the Parliamentarians in 1649 and not listed thereafter.HMS Mary was a 50-gun Speaker-class frigate launched in 1650 as Speaker, renamed HMS Mary in 1660, rebuilt in 1688 and wrecked in 1703.HMS Mary was a 4-gun fireship purchased in 1666 and sold in 1667.HMS Mary was a 4-gun fireship purchased in 1667 and expended that year.HMS Mary was an 8-gun yacht launched in 1677. She was rebuilt in 1727 and 1761 and was broken up in 1816.HMS Mary was a 10-gun ketch of unknown origin that foundered in 1694.HMS Mary was a 4-gun smack launched in 1702. She was rebuilt in 1728 and lost in 1778.HMS Mary was a 60-gun fourth rate ship of the line launched in 1704, rebuilt in 1742 and renamed HMS Princess Mary, and sold in 1766.HMS Mary was a gunvessel purchased in 1794 and sold in 1798.HMS Mary was a 6-gun tender purchased in 1797 and listed until 1805.HMS Mary was a 3-gun schooner listed in 1812 and captured by the Americans in 1813.HMS Mary was a Coastguard cutter launched in 1867 and sold in 1905.