Two ships of the Royal Navy have been named HMS Belfast after the capital city of Northern Ireland:

• The first HMS Belfast is a Town-class light cruiser launched in 1938 preserved as a museum ship in London.
• The second HMS Belfast (Type 26 frigate) will be the third planned Type 26 frigate.

• Arctic 1943
• North Cape 1943
• Normandy 1944
• Korea 1950–52