Tetsuo (given name)

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| name = Tetsuo

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| gender = Male

| meaning = Different meanings depending on the kanji used

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| origin = Japanese

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Tetsuo (written: {{Nihongo2|哲夫}}, {{Nihongo2|哲男}}, {{Nihongo2|哲雄}} or {{Nihongo2|鉄夫}}) is a masculine Japanese given name. Notable people with the name include:

• {{Nihongo|Tetsuo Hara|原 哲夫||born 1961}}, Japanese manga artist
• {{Nihongo|Tetsuo Imai|今井 哲夫||1912–1987}}, Japanese middle-distance runner
• {{Nihongo|Tetsuo Inoue|井上 哲夫}}, Japanese table tennis player
• {{Nihongo|Tetsuo Kagawa|香川 哲男||born 1969}}, Japanese astronomer
• {{Nihongo|Tetsuo Kutsukake|沓掛 哲男||born 1929}}, Japanese politician
• {{Nihongo|Tetsuo Najita|奈地田 哲夫||1936–2021}}, American historian
• {{Nihongo|Tetsuo Saito|斉藤 鉄夫||born 1952}}, Japanese politician
• {{Nihongo|Tetsuo Sakurai|櫻井 哲夫||born 1957}}, Japanese jazz fusion bassist
• {{Nihongo|Tetsuo Sato (rower)|佐藤 哲夫||born 1938}}, Japanese rower
• {{Nihongo|Tetsuo Satō (volleyball)|佐藤 哲夫||born 1949}}, Japanese volleyball player
• {{Nihongo|Tetsuo Shinohara|篠原 哲雄||born 1962}}, Japanese film director
• Tetsuo Toyama (当山 哲夫, 1883{{En dash}}1971), Okinawan journalist