Eizō, Eizo or Eizou (written: 栄三, 栄蔵, 英三, 英蔵 or 永三) is a masculine Japanese given name. Notable people with the name include:

• Ishizuka Eizō (石塚 英蔵, 1866–1942), Japanese politician
• Eizō Katō (加藤 栄三, 1906–1972), Japanese painter
• Eizo Kenmotsu (監物 永三, born 1948), Japanese gymnast
• Eizo Sakamoto (坂本 英三, born 1964), Japanese musician
• Eizō Sugawa (須川 栄三, 1930–1998), Japanese film director
• Eizō Tanaka (田中 栄三, 1886–1968), Japanese film director, screenwriter, and actor
• Eizo Yamada (山田 栄三, 1889–1950), Japanese general
• Eizo Yuguchi (湯口 栄蔵, 1945–2003), Japanese footballer and manager

See also

• Eizo, a Japanese electronics company