Taizō, Taizo or Taizou (written: 泰三, 泰造, 大造 or 太蔵) is a masculine Japanese given name. Notable people with the name include:
Taizo Ichinose (一ノ瀬 泰造, 1947–1973), Japanese war photographer
Taizō Ishizaka (石坂 泰三, 1886–1975), Japanese businessman
Taizo Kawamoto (川本 泰三, 1914–1985), Japanese footballer and manager
Taizô Kawashima, Japanese production designer and art director
Taizō Mikazuki (三日月 大造, born 1971), Japanese politician
Taizo Nishimuro (西室 泰三, born 1935), Japanese businessman
Taizo Sugitani (杉谷 泰造, born 1976), Japanese equestrian
Taizō Sugimura (杉村 太蔵, born 1979), Japanese politician
