Tatsuo is a masculine Japanese given name. Notable people with the name include:Tatsuo Endo , Japanese engineer Tatsuo Fujimoto , Japanese swimmer Tatsuo Hasegawa , Japanese automotive engineer Tatsuo Hirano , Japanese politician Tatsuo Hori , Japanese writer, poet and translator Tatsuo Inagaki , Japanese artist Tatsuo Itoh, American academic Tatsuo Jihira , Japanese water polo player Tatsuo Kainaka , Japanese judge Tatsuo Kamon , Japanese singer-songwriter Tatsuo Kawabata , Japanese politician Tatsuo Kawai , Japanese diplomat and writer Tatsuo Kinoshita , Japanese baseball player Tatsuo Kobayashi , Japanese computer scientist Tatsuo Kondō , Japanese photographer Nagai Tatsuo , Japanese writer Nishida Tatsuo , Japanese linguist Tatsuo Sasaki , Japanese sport wrestler Tatsuo Satō (director) , Japanese anime director Tatsuo Sato (politician) , Japanese politician Tatsuo Shimabuku , Japanese karateka Tatsuo Suzuki , Japanese cinematographer Tatsuo Toki , Japanese decathlete Tatsuo Utagawa , Japanese ornithologist and academic Tatsuo Watanabe , Japanese ski jumper Tatsuo Yada , Japanese politician Tatsuo Yamada , Japanese actor Yamamoto Tatsuo (politician) , Japanese politician Tatsuo Yoshida , Japanese illustrator and character designer