HMS Warspite was a 74-gun third-rate ship of the line of the Royal Navy, launched in 1807. She served in the Napoleonic Wars and was decommissioned in 1815. After conversion to a 76-gun ship in 1817 she circumnavigated the world, visiting Australia. She was cut down to a single decker 50-gun frigate in 1840 and was decommissioned in 1846. She was lent as a boys' training ship to The Marine Society and was lost to fire in 1876.