Two ships of the Royal Navy have been named HMS Viking, after the Vikings, whilst another Viking was in service with the Royal New Zealand Navy:

• HMS Viking was a Tribal class destroyer launched in 1909 and sold for scrap in 1919. She was the only six funnelled vessel to serve in the Royal Navy.
• HMNZS Viking was a training ketch, known to have been in service with the Royal New Zealand Navy between 1937 and 1945.
• HMS Viking was a V-class submarine launched in 1943. She was transferred to the Royal Norwegian Navy in 1946 and renamed HNoMS Utvær. She was sold in 1964.