Eight ships of the Royal Navy have been named HMS St George, after Saint George, the patron saint of England:

• HMS St George (1622), a 60-gun ship built in 1622 and sunk in 1697 as a blockship.
• HMS St George (1626), a ship captured in 1626 and listed until 1632.
• HMS St George was a 96-gun first rate launched in 1668 as HMS Charles and renamed in 1687. Rebuilt several times and broken up in 1774.
• HMS St George (1701) was a hulk at Harwich bought in 1701 from M. Stevens; she was sunk in 1716 as a foundation for Chatham Dockyard.
• HMS St George (1785) was a 98-gun second rate, launched in 1785 and wrecked in 1811.
• HMS St George was originally HMS Britannia of 1762, renamed HMS Princess Royal in 1812, HMS St George a few days later, and then HMS Barfleur in 1819. She was broken up in 1825.
• HMS St George (1840) was a 120-gun first rate, launched in 1840 and sold in 1883.
• HMS St George (1892) was a first-class cruiser of the Edgar class, launched in 1892 and scrapped in 1920.
• HMS St George (shore establishment) was a shore based training school on the Isle of Man set up by the Royal Navy in Sep 1939.

• HMS St George, a former Royal Navy shore establishment in Eastney, Portsmouth, Hampshire, England
• HMS Prince George
• HMS Royal George
• USS St. George (CVE-17)

• Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.