{{Infobox given name | name = Sumio | image = | image_size = | caption = | pronunciation = | gender = Male | meaning = Different meanings depending on the kanji used | region = | language = | origin = Japanese | alternative spelling = | nickname = | variant forms = | related names = | name day = | derived = | popularity = | footnotes = }} '''Sumio''' (written: 澄男, 澄夫, 澄雄, 純男, 純生 or 寿美雄) is a masculine Japanese given name. Notable people with the name include:
*{{Nihongo|Sumio Endo|遠藤 純男||born 1950}}, Japanese judoka *Sumio Harada (born 1960), Japanese wildlife photographer, author, public speaker, and conservationist *{{Nihongo|Sumio Hirota|弘田 澄男||born 1949}}, Japanese former professional baseball outfielder *{{Nihongo|Sumio Iijima|飯島 澄男||born 1939}}, Japanese physicist *{{Nihongo|Sumio Kobayashi|小林 純生||born 1982}}, Japanese classical composer *{{Nihongo|Sumio Mabuchi|馬淵 澄夫||born 1960}}, Japanese politician *{{Nihongo|Sumio Miwa|三輪 寿美雄||born 1932}}, Japanese racewalker *{{Nihongo|Sumio Mori|森 澄雄||1919–2010}}, Japanese poet *{{Nihongo|Sumio Shiratori|白鳥 澄夫||born 1948}}, Japanese composer and music producer *{{Nihongo|Sumio Watanabe|渡辺 澄夫||born 1959}}, Japanese mathematician and engineer
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Category:Japanese masculine given names Category:Masculine given names