Toshirō, Toshiro or Toshirou (としろう, トシロウ) is a common masculine Japanese given name.
Toshirō can be written using different kanji characters and can mean:
利郎, "advantage, son"
敏郎, "agile, son"
俊郎, "sagacious, son"
利朗, "advantage, bright"
敏朗, "agile, bright"
俊朗, "sagacious, bright"
The name can also be written in hiragana or katakana.
Toshiro Kageyama (利郎, 1926–1990), Japanese Go player
Toshiro Kandagawa (俊郎, born 1939), Japanese chef
Toshiro Masuda (俊郎, born 1959), Japanese composer
Toshiro Mayuzumi (敏郎, 1929–1997), Japanese composer
Toshirō Mifune (敏郎, 1920–1997), Japanese actor
Toshirō Mutō (敏郎, born 1943), former Deputy Governor of the Bank of Japan
Toshiro Nomura (敏郎), Japanese astronomer
Toshihiro Ono (敏洋, born 1965), a Japanese manga artist
Toshiro Sasaki (1900–1933), Japanese author
Toshiro Suga (born 1950), aikido instructor
Toshiro Tomochika (born 1975), Japanese politician
Toshiro Tsuchida (俊郎, born 1964), Japanese game director
Toshiro Yabuki (born 1961), Japanese music composer
Toshiro Yamabe (俊郎, 1926–2000), Japanese Go player
Toshirō Yanagiba (敏郎, born 1961), Japanese actor
Toshiro Kurusu (敏郎), a character in the 2001 anime film WXIII: Patlabor the Movie 3
Hijikata Toshirō (十四郎), a character in the manga and anime series Gintama
Toshiro Umezawa, a character in the collectible card game Magic: The Gathering
Tōshirō Hitsugaya (冬獅郎), the captain of tenth division in Bleach
