Daizō, Daizo, Daizou or Daizoh (written: 大蔵, 大造, 大三 or 太三) is a masculine Japanese given name. Notable people with the name include:
, Japanese modern pentathlete , Japanese sumo wrestler , Japanese footballer , Japanese politician , Japanese footballer Daizo Sumida (住田 代蔵, 1887 – 1961), Japanese businessman , Japanese sumo wrestler