Eijirō, Eijiro or Eijirou (written: 英治郎, 英次郎 or 英二郎) is a masculine Japanese given name. Notable people with the name include:

• Eijiro Miyama (宮間 英次郎, born 1934), Japanese artist
• Eijiro Mori (森 英次郎, born 1986), Japanese footballer
• Eijiro Ozaki (尾崎 英二郎), Japanese actor
• Eijiro Takeda (武田 英二郎, born 1988), Japanese footballer
• Eijirō Tōno (東野 英治郎, 1907–1994), Japanese actor

• Eijiro Kirishima (切島 鋭児郎) a character in the manga series My Hero Academia