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 footballerHaruo Hosoya (細矢 治夫) (born 1936), Japanese chemistHaruo Inoue (井上 春生) (born 1963), Japanese film directorHaruo Maekawa (前川 春雄) (1911–1989), Japanese businessman and bankerHaruo Minami (三波 春夫) (1923–2001), Japanese singerHaruo Nakajima (中島 春雄) (born 1929), Japanese actorHaruo Oka (岡 晴夫) (1916–1970), Japanese singerHaruo Satō (voice actor) (佐藤 晴男) (born 1961), Japanese voice actorHaruo Sato (water polo) (佐藤 晴雄) (born 1945), Japanese water polo playerHaruo Suekichi (末吉 晴男), Japanese watchmakerHaruo Takeuchi, Japanese Paralympic athleteHaruo Tanaka (田中 春男) (1912–1992), Japanese actorHaruo Tomiyama (富山 治夫) (born 1935), Japanese photographerHaruo Urata (浦田 春生) (born 1962), Japanese long-distance runnerHaruo Wakō (和光 晴生) (born 1949), Japanese militantHaruo Yasuda (born 1943), Japanese golferHaruo Yoshimuta (吉無田 春男) (born 1939), Japanese swimmer