Hatsuo (written: 初雄 or 初男) is a masculine Japanese given name. Notable people with the name include:

• Hatsuo Hidaka (日高 初男, born 1915), Japanese World War II flying ace
• Hatsuo Royama (盧山 初雄, born 1948), Japanese karateka

Name list

This page or section lists people that share the same given name.
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