Six ships and a shore establishment of the Royal Navy have borne the name HMS Actaeon or HMS Acteon, after Actaeon, a figure in Greek mythology:
HMS Actaeon (1757) was a 28-gun sixth-rate frigate launched in 1757 and sold as unserviceable in 1766.
HMS Actaeon (1775) was a 28-gun sixth-rate frigate launched in 1775 and grounded and burnt in 1776.
HMS Actaeon (1778) was a 44-gun fifth-rate two-decker launched in 1778, on harbour service from 1795 and sold in 1802.
HMS Acteon (1805) was the 16-gun French brig Actêon, which HMS Egyptienne captured in 1805 off Rochefort; Acteon was broken up in 1816.
HMS Actaeon (1831) was a 26-gun sixth rate launched in 1831. She was converted to a survey ship in 1856, lent to the Cork Harbour Board in 1870 as a hulk, and sold in 1889.
HMS Actaeon was a hulk, originally the 50-gun fourth rate HMS Vernon that formed part of the Navy's torpedo school, HMS Vernon. She was renamed HMS Actaeon in 1886 and was sold in 1923.
HMS Actaeon (U07) was a modified Black Swan-class sloop launched in 1945 and sold to West Germany in 1959 as Hipper. She was hulked in 1964 and sold for breaking up in 1967.
HMS Actaeon (shore establishment) was a shore establishment, originally part of HMS Vernon. It was established as a separate command in 1905 and paid off in 1922.
HMS Ariadne (1859) was the original HMS Actaeon, renamed and commissioned in 1905 and sold in 1922.
HMS Dido (1869) was HMS Actaeon II between 1906 and 1922.
