Masao
# Masao

Masao (written: 正雄, 正夫, 正生, 正男, 正郎, 雅雄, 雅央, 雅夫, 雅勇, 雅男, 昌雄, 昌夫, 昌男, 昌朗, 昌郎, 昌大, 政雄, 政夫, 政男, 政於, 征夫, 優夫, 聖雄, 利生, 将雄, 将夫 or 眞男) is a masculine Japanese given name. Notable people with the name include:

* Masao Abe (阿部 正雄, 1915–2006), Japanese philosopher and writer
* Masao Adachi (足立 正生, born 1939), Japanese screenwriter and film director
* Masao Akamatsu (赤松 正雄, born 1945), Japanese politician
* Amatsukaze Masao (天津風 征夫, 1937–2013), Japanese sumo wrestler
* Masao Arai (荒井 政雄, born 1949), Japanese sport wrestler
* Masao Azuma (東 雅雄, born 1971), Japanese motorcycle racer
* Baba Masao (馬場 正郎, 1892–1947), Japanese general
* Masao Doi, Japanese academic
* Masao Fujii (藤井 将雄, 1968–2000), Japanese baseball player
* Masao Gozu (郷津 雅夫, born 1946), Japanese photographer and sculptor
* Inaba Masao, Japanese military officer and rebel
* Masao Haji (土師 政雄, 1925–1998), Japanese activist and academic
* Masao Harada (原田 正夫, 1912–2000), Japanese triple jumper
* Masao Horino (堀野 正雄, 1907–2000), Japanese photographer
* Masao Ichihara (市原 正雄, 1913–1977), Japanese sprinter
* Masao Inoue (actor) (井上 正夫, 1881–1950), Japanese actor and film director
* Masao Inoue (wrestler) (井上 雅央, born 1970), Japanese professional wrestler
* Masao Ito (伊藤 正男, born 1928), Japanese neuroscientist
* Masao Iwasato (岩里 政男, born 1923), former President of the Republic of China (Taiwan)
* Masao Kanamitsu (1943–2011), Japanese American meteorologist
* Masao Kato (加藤 正夫, 1947–2004), Japanese Go player
* Masao Kawai (河合 雅雄, born 1924), Japanese primatologist
* Masao Kiba (木場 昌雄, born 1974), Japanese footballer
* Masao Kida (木田 優夫, born 1968), Japanese baseball player
* Masao Kinoshita (木下 政雄), Japanese businessman
* Masao Kitagawa (北川 政夫, 1910–1995), Japanese botanist
* Kiyonomori Masao (清の盛 政夫, 1935–2019), Japanese sumo wrestler
* Masao Kobayashi (小林 正夫, born 1947), Japanese politician
* Masao Koga (古賀 政男, 1904–1978), Japanese composer and guitarist
* Masao Komatsu (小松政夫, 1942–2020), Japanese actor
* Masao Kotani (小谷 正雄, 1906–1993), Japanese theoretical physicist
* Masao Kume (久米 正雄, 1891–1952), Japanese playwright, writer and poet
* Masao Maeda (前田 政雄, 1904–1974), Japanese printmaker
* Masao Maruyama (film producer) (丸山 正雄, born 1941), Japanese animator and film producer
* Masao Maruyama (Japanese Army officer) (丸山 政男, 1889–1957), Japanese general
* Masao Maruyama (scholar) (丸山 眞男, 1914–1996), Japanese political scientist and historian
* Masao Mimatsu (三松 正夫, 1888–1977), Japanese volcanologist
* Masao Miyamoto (宮本 政於, 1948–1999), Japanese psychiatrist
* Masao Miyoshi (三好 将夫, 1928–2009), Japanese sociologist
* Masao Morinaka (森中 聖雄, born 1974), Japanese baseball player
* Masao Mukai (向井 正雄, born 1958), Japanese conductor
* Masao Murano (村野 正夫, born 1935), Japanese ice hockey player
* Masao Murata (村田 正夫, born 1964), Japanese judoka
* Masao Nakabori (中堀 正夫), Japanese cinematographer
* Masao Nakamura (中村 正雄, 1892–1939), Japanese general
* Masao Nakayama (中山 利生, 1941–2011), Japanese politician and diplomat
* Masao Nozawa (野澤 正雄), Japanese footballer
* Masao Ohba (大場 政夫, 1949–1973), Japanese boxer
* Masao Ono (大埜 正雄, 1923–2001), Japanese footballer
* Masao Orihara (折原 昌夫, born 1969), Japanese professional wrestler
* Masao Sasakibara (佐々木原 正夫, 1921–2005), Japanese World War II flying ace
* Masao Sen (千 昌夫, 1947), Japanese singer
* Masao Shimizu (清水 将夫, 1908–1975), Japanese actor
* Masao Suenaga (末永 正雄, born 1978), Japanese drifting driver
* Masao Sugimoto (born 1967), Japanese footballer
* Masao Sugiuchi (杉内 雅男, born 1920), Japanese Go player
* Masao Takada, Japanese footballer
* Masao Takagi (高木 正雄, 1917–1979), former President of South Korea
* Masao Takahashi (born 1929), Canadian judoka
* Masao Takemoto (竹本 正男, 1919–2007), Japanese artistic gymnast
* Masao Takenaka (1925–2006), Japanese theologian
* Masao Takiyama (滝山 正夫), Japanese television producer
* Masao Tsuchida, Japanese baseball player
* Masao Tsukada (塚田 正夫, 1914–1977), Japanese shogi player
* Masao Uchino (内野 正雄, born 1934), Japanese footballer and manager
* Masao Urino (売野 雅勇, born 1951), Japanese lyricist, screenwriter and film director
* Masao Watanabe (渡辺 正夫, 1888–1950), Japanese general
* Masao Yagi (八木正生, 1932–1991), Japanese jazz musician
* Masao Yamaguchi (山口 昌男, 1931–2013), Japanese anthropologist
* Masao Yamamoto (山本 昌男, born 1957), Japanese photographer
* Masao Yoshida (disambiguation), multiple people
