HMS Orion

Seven ships of the British Royal Navy have been named HMS Orion, after the hunter Orion of Greek mythology:

• HMS Orion (1787) was a 74-gun third-rate ship of the line launched in 1787 and broken up in 1814.
• HMS Orion (1854) was an 80-gun second-rate screw ship launched in 1854 and broken up in 1867.
• HMS Orion (1879) was an armoured corvette built for the Ottoman Empire but purchased by the Royal Navy in 1878 and launched in 1879. She was converted to a depot ship and renamed HMS Orontes in 1909, and was sold in 1913.
• HMS Orion was to have been an armoured cruiser. She was projected in 1904 but never built.
• HMS Orion (1910) was an Orion-class battleship launched in 1910 and sold in 1922.
• HMS Orion (85) was a Leander-class light cruiser launched in 1932 and sold in 1949.
• Orion was a French submarine seized in 1940, laid up until 1943 and then broken up.