Orion (HSK-1) was an auxiliary cruiser of the German navy which operated as a merchant raider during World War II. Built by Blohm & Voss in Hamburg in 1930/31 as the freighter Kurmark, she was requisitioned by the Kriegsmarine at the outbreak of World War II and converted into the auxiliary cruiser Orion, commissioned on 9 December 1939. Known to the Kriegsmarine as Schiff 36, her Royal Navy designation was Raider A. She was named after the constellation Orion.