EIJ may refer to:

• Air Efata, an Indonesian airline
• Egyptian Islamic Jihad
• Eritrean Islamic Jihad

• Ibn Nuhaas
• Ibn Qasi
• Ibn Qutayba al-Dinawari
• Ibn Qutayba Dinawari
• Ibn Rassam
• Ibn Razqa
• IBN ring
• Ibn Rushayd
• IBNS
• Ibn Sahl (disambiguation)
• Ibn Sahl of Sevilla
• Ibn Said
• Ibn saud
• Ibn Saud of Najd
• Ibn Sayyar al-Warraq
• Ibn Shahriyar
• Ibn Shaqrun
• Ibn Shaykh al-Libi
• Ibn Sheikh al Libi
• Ibn Sheikh ibn al Libi
• Ibn Shuaib
• Ibn Shuayb
• Ibn Sida
• Ibn Sina
• Ibn Sina Academy of Medieval Medicine and Sciences