Sunao is a masculine Japanese given name. Notable people with the name include:Sunao Hari , Japanese manga artist Sunao Hozaki , Japanese footballer Sunao Ishiharada , Japanese swimmer Sunao Katabuchi , Japanese anime director Sunao Sato , Japanese Go player Sunao Sonoda (1914–1984), Japanese politician Sunao Tawara , Japanese pathologist Sunao Yoshida , pen-name of Sunao Matsumoto, Japanese writer