Katsuo (written: 勝男, 勝夫, 勝雄 or 嘉葎雄) is a masculine Japanese given name. Notable people with the name include:

  • Katsuo Bai(梅 勝夫; born 1940), Japanese basketball player
  • Katsuo Haga(芳賀 勝男; born 1938), Japanese boxer
  • Katsuo Kameoka(亀岡 勝雄; 1905–?), Japanese boxer
  • Katsuo Kanda(神田 勝夫; born 1966), Japanese footballer
  • Kiyokuni Katsuo(清國 勝雄; born 1941), Japanese sumo wrestler
  • Katsuo Nakamura(中村 嘉葎雄; born 1938), Japanese actor
  • Katsuo Nishida(西田 勝男; born 1929), Japanese long-distance runner
  • Katsuo Okazaki(岡崎 勝男; 1897–1965), Japanese long-distance runner and politician
  • Katsuo Osugi(大杉 勝男; 1945–1992), Japanese baseball player
  • Katsuo Takaishi(高石 勝男; 1906–1966), Japanese swimmer
  • Katsuo Tokashiki(渡嘉敷 勝男; born 1960), Japanese boxer
  • Yutakayama Katsuo(豊山 勝男; born 1937), Japanese sumo wrestler
  • Cleyton Katsuo (クレイトンカツオ, born 1988), Brazilian woodworker and developer
  • Katsuo Yakura(矢倉克夫), Japanese politician

Fictional characters

  • Katsuo Isono(磯野 カツオ), a character in the manga series Sazae-san

See also