Prince Shimazu Hisamitsu(島津 久光, November 28, 1817 – December 6, 1887), also known as Shimazu Saburō(島津 三郎), was a Japanese samurai of the late Edo period. The younger brother of Shimazu Nariakira, Hisamitsu served as regent for his underage son Tadayoshi (島津 忠義), who became the 12th and last lord. Hisamitsu was instrumental in the efforts of the southern Satsuma, Chōshū, and Tosa clans to bring down the Tokugawa Shogunate. Hisamitsu held the court title of Ōsumi no Kami 大隈守. In the Meiji Era, he was created prince in the Meiji-era kazoku nobility.