HMS Orion
HMS Orion is the name of several ships named after the hunter from Greek mythology .
- Royal Navy
- HMS Orion (1787) , a ship of the line with 74 cannons, launched in 1787, demolished in 1814
- HMS Orion (1854) , a screw ship with 80 cannons, in service from 1854 to 1867
- HMS Orion (1879) , an armored corvette, renamed Orontes in 1909 , sold in 1913
- HMS Orion (1904), a planned armored cruiser , construction was canceled
- HMS Orion (1910) , an Orion-class battleship, launched in 1910, in service from 1912 to 1922
- HMS Orion (85) , a Leander-class light cruiser, launched in 1932, scrapped in 1949
- Royal Australian Navy
- HMAS Orion , an Oberon-class submarine, in service 1974-1996
- Swedish Navy
- HMS Orion (A201) , a special ship for radio reconnaissance