Five ships of the Royal Navy have been named HMS Cerberus or Cerbere after Cerberus, the three-headed dog in Greek mythology that guards Hades:

• HMS Cerberus (1758) was a 28-gun sixth-rate frigate launched in 1758 and burnt in 1778.
• HMS Cerberus (1779) was a 32-gun fifth-rate frigate launched in 1779 and wrecked attempting to exit Castle Harbour, Bermuda, via Castle Roads^[1] in 1783.
• HMS Cerberus (1794) was a 32-gun fifth-rate frigate launched in 1794 and sold in 1814 after service in the French Revolutionary and Napoleonic Wars.
• HMS Cerbere (1800) was a 7-gun gun-brig that HMS Viper captured from the French in 1800. She was wrecked in 1804.
• HMS Cerberus (1827) was a 46-gun fifth-rate frigate launched in 1827 and broken up by 1866.

The Royal Australian Navy have used the name for a number of ships and shore establishments:

• HMVS Cerberus was a breastwork monitor launched in 1868. She converted into a depot ship in 1918 and was renamed Platypus II. She was sunk as a breakwater in 1926.
• HMAS Cerberus, Victoria is a training establishment opened in 1920 in Victoria.
• HMAS Protector (1884) was named HMAS Cerberus in 1921 when serving as a tender to the training establishment.