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
• Baron Mineo Ōsumi, a Japanese admiral