The German auxiliary cruiser Kormoran (HSK-8) was a Kriegsmarine (German Navy) merchant raider of World War II. Originally the merchant vessel Steiermark, the ship was acquired by the Kriegsmarine following the outbreak of war for conversion into a raider. Administered by the Kriegsmarine under the designation Schiff 41, to the Allied navies she was known as Raider G. The largest merchant raider operated by Germany during World War II, Kormoran was responsible for the destruction of ten merchant vessels and the capture of an eleventh during her year-long career in the Atlantic and Indian oceans.