Ōsumi

Ōsumi can stand for:


 * Ōsumi Province, a former province of Japan
 * Ōsumi Peninsula
 * Ōsumi Islands, an archipelago at the northern end of the Ryukyu Islands
 * Ōsumi (satellite), the first Japanese satellite
 * Ōsumi class LST, a class of Japanese amphibious transport dock

People with the surname

 * Masaaki Ōsumi (born 1934), Japanese anime director
 * Baron Mineo Ōsumi, a Japanese admiral
 * Paul Osumi, a Japanese Christian minister
 * Yoshinori Ohsumi, Japanese cell biologist and 2016 Nobel laureate in Physiology or Medicine