Haruo (written: 春雄, 春生, 春男, 春夫, 晴生, 晴男, 晴夫, 暎夫, 治夫 or 治夫) is a masculine Japanese given name. Notable people with the name include:
Haruo Arima (有馬 暎夫), Japanese footballer
Haruo Hosoya (細矢 治夫) (born 1936), Japanese chemist
Haruo Inoue (井上 春生) (born 1963), Japanese film director
Haruo Maekawa (前川 春雄) (1911–1989), Japanese businessman and banker
Haruo Minami (三波 春夫) (1923–2001), Japanese singer
Haruo Nakajima (中島 春雄) (born 1929), Japanese actor
Haruo Oka (岡 晴夫) (1916–1970), Japanese singer
Haruo Satō (voice actor) (佐藤 晴男) (born 1961), Japanese voice actor
Haruo Sato (water polo) (佐藤 晴雄) (born 1945), Japanese water polo player
Haruo Suekichi (末吉 晴男), Japanese watchmaker
Haruo Takeuchi, Japanese Paralympic athlete
Haruo Tanaka (田中 春男) (1912–1992), Japanese actor
Haruo Tomiyama (富山 治夫) (born 1935), Japanese photographer
Haruo Urata (浦田 春生) (born 1962), Japanese long-distance runner
Haruo Wakō (和光 晴生) (born 1949), Japanese militant
Haruo Yasuda (born 1943), Japanese golfer
Haruo Yoshimuta (吉無田 春男) (born 1939), Japanese swimmer
