Yasukuni Maru (靖国丸) was a Japanese ocean liner owned by Nippon Yusen Kaisha (NYK). The ship was launched in 1930 by Mitsubishi Shipbuilding & Engineering Co. at Nagasaki, on the southern island of Kyūshū, Japan, entering service in 1930. The ship was named for the Yasukuni Shrine, a famous Shinto shrine dedicated to the war dead of Japan, located in Tokyo.