Katsutoshi (written: 勝敏, 勝利, 勝俊 or 克俊) is a masculine Japanese given name. Notable people with the name include:
Katsutoshi Domori (堂森 勝利) (born 1976), Japanese footballer
Hasegawa Katsutoshi (長谷川 勝敏) (born 1944), Japanese sumo wrestler
Katsutoshi Nagasawa (長沢 勝俊) (1923–2008), Japanese composer
Katsutoshi Naito (内藤 克俊) (1911–1957), Japanese sport wrestler
Katsutoshi Nekoda (猫田 勝敏) (1944–1983), Japanese volleyball player
Katsutoshi Taguchi (born 1961), Japanese handball player
Katsutoshi Tsumagari (津曲 勝利) (born 1975), Japanese volleyball player
