Nine ships of the Royal Navy have been named HMS Grafton, while another one was planned:

• HMS Grafton (1679) was a 70-gun third-rate ship of the line launched in 1679, rebuilt in 1700, and captured by the French in 1707.
• HMS Grafton (1694) was a fire ship purchased in 1694 and sold in 1696.
• HMS Grafton (1709) was a 70-gun third rate launched in 1709, rebuilt in 1725 and broken up in 1744.
• HMS Grafton (1750) was a 70-gun third rate launched in 1750 and sold in 1767.
• HMS Grafton (1771) was a 74-gun third rate launched in 1771. She was used for harbour service from 1792 and was broken up in 1816.
• HMS Grafton (1892) was an Edgar-class cruiser launched in 1892 and broken up in 1920.
• HMS Grafton (H89) was a G-class destroyer launched in 1935 and torpedoed in 1940.
• HMS Grafton was to have been a destroyer. She was ordered in 1944 but was cancelled in 1945.
• HMS Grafton (F51) was a Blackwood-class (Type 14) frigate launched in 1957 and broken up in 1971.
• HMS Grafton (F80) was a Type 23 frigate. She was sold to the Chilean Navy and delivered in 2007, being renamed Almirante Lynch FF 07.

Ships named Grafton have earned the following battle honours:

• Barfleur 1692
• Vigo 1702
• Gibraltar 1704
• Velez Malaga 1704
• Passero 1718
• Porto Novo 1759
• Dardanelles 1915–16
• Atlantic 1939
• Dunkirk 1940

• 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.