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

This disambiguation page lists articles associated with the title Ōsumi.
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