Author
- Ibn Asakir1
- Ibn Kathir1
- Ibn al-Dubaythi1
- Ibn al-Wardi1
- Ibn ʻAbd al-Riḍá1
- Idris Bitlisi1
- Inayat Khan1
- Ippolito Libri1
- Isaac ben Joseph of Corbeil1
- Iskandar Abkariyus1
- Jacob Saphir1
- Jacobus de Cessolis1
- Jacopone da Todi1
- Jacques de Vitry1
- Jaghmini1
- Jalal Al-Din Al-Khabazi1
- Jalal al-Din Davani1
- Jalaluddin al-Mahalli1
- Jean Marot1
- Jean de Wavrin1