Toshimitsu (written: 敏満, 敏充, 利光, 利三, 寿光 or 俊光) is a masculine Japanese given name. Notable people with the name include:
Toshimitsu Asai (浅井 俊光, born 1983), Japanese footballer
Toshimitsu Deyama (出山 利三, born 1965), Japanese singer
Asanobori Toshimitsu (朝登 俊光, born 1948), Japanese sumo wrestler
Toshimitsu Izawa (伊沢 利光, born 1968), Japanese golfer
Toshimitsu Kai (born 1956), Japanese golfer
Toshimitsu Motegi (茂木 敏充, born 1955), Japanese politician
Kitanoumi Toshimitsu (北の湖 敏満, born 1953), Japanese sumo wrestler
Saitō Toshimitsu (斎藤 利三, 1534–1582), Japanese samurai
Toshimitsu Yoshida (吉田 寿光, born 1963), Japanese football referee
