Author
- Igreja e Convento de Santa Maria de Aguiar1
- Ildibrandinus1
- Ilyās ibn ʻAbbās Mullā Shaykh al-Kurdī1
- Imad al-Din Mahmud ibn Mas‘ud Shirazi1
- Imami Heravi1
- Imbert Feutrier1
- Immanuel Tremellius1
- Imām al-Dīn ibn Luṭf Allāh Lāhūrī1
- Imāmzādah, Aḥmad ibn ʻUthmān, 18th/19th cent1
- Inayat Khan1
- Inayet Efendi1
- Innocent VIII1
- Innocent XI1
- Inquisition Sicily)1
- Insha Allah Khan1
- Iohannes de Ianna1
- Ippolito Libri1
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Isaac Aboab I1
- Isaac Aboab of Castile1