Author
- Ilyās ibn ʻAbbās Mullā Shaykh al-Kurdī1
- Imad ad-Din al-Isfahani1
- Imad al-Din Mahmud ibn Mas‘ud Shirazi1
- Imami Heravi1
- Imām al-Dīn ibn Luṭf Allāh Lāhūrī1
- Imāmzādah, Aḥmad ibn ʻUthmān, 18th/19th cent1
- Inayat Khan1
- Inayet Efendi1
- Innocent III1
- Insha Allah Khan1
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Isaac Alfasi1
- Isaac ibn Ezra1
- Isaac ibn Ghiyyat1
- Isidore of Seville1
- Iskandar Abkariyus1
- Iskandar Rūmī1
- Ismail al-Isfahani1
- Ismail bin Mohammad Rizi1
- Ismāʻīl Jarrāḥī1