Eight ships of the Royal Navy have been named HMS Royal George after various members of the House of Hanover. A ninth was renamed before being launched:
HMS Royal George was a 100-gun first rate launched as Royal Charles in 1673 and renamed HMS Queen in 1693, HMS Royal George in 1715 and HMS Royal Anne in 1756.
HMS Royal George (1809) was a 20-gun sloop launched in 1809. She served on the Canadian lakes in the War of 1812, was renamed HMS Niagara in 1814 and was sold in 1837.