HMS Agamemnon

Five ships (and one submarine under construction) of the Royal Navy have been named HMS Agamemnon, after the legendary Greek king Agamemnon.
 * HMS Agamemnon (1781) was a 64-gun third-rate launched in 1781. She took part in the Battle of Trafalgar in 1805 and was wrecked in 1809.
 * HMS Agamemnon (1852) was a 91-gun screw-propelled second-rate launched in 1852 and sold in 1870.
 * HMS Agamemnon (1879) was an Ajax-class battleship launched in 1879 and broken up in 1903.
 * HMS Agamemnon (1906) was a Lord Nelson-class battleship launched in 1906, used as a target ship from 1920 and sold in 1927.
 * HMS Agamemnon (1929) was an auxiliary minesweeper
 * HMS Agamemnon (S124) is an Astute-class nuclear submarine currently under construction.