IJI

IJI or Iji may refer to:

• Iji, a freeware videogame
• Iji Castle, a Japanese castle whose ruins are now in the city of Kurihara
• Adud al-Din al-Iji, 14th–century Islamic theologian
• Iranian Journal of Immunology, a quarterly journal concerned with immunology
• Islami Jamhoori Ittehad, a political party in Pakistan