Kokuryu may refer to:
Kokuryū A Japanese form of Martial Arts founded in the mid-1970s as a new combination of several existing arts Goguryeo - A Korean kingdom Kokuryū (S 506) - sixth of Japan's Sōryū-class submarines launched in 2013 Black Dragon Society "Kokuryukai" - Japanese paramilitary society JS Kokuryū (SS-506), a Japanese Sōryū-class submarine