Scribe
- Hieronymus Murianus1
- Hieronymus de Canonicis1
- Hilarius, Monk of Verona1
- Hubertus2
- Hādī ibn Bahāʼ al-Dīn1
- Iacobus Tarranus1
- Ibn Muḥammad Jaʻfar Muḥammad Bāqir al-Sharīf al-Naṣīr al-Ṭūsī1
- Ibn Muḥammad Riz̤ā Muḥammad1
- Ibrāhīm Bahjat Ḥamīdī1
- Ibrāhīm Ibn al-Ḥusn1
- Ibrāhīm al-Makkī ibn ʻAlī Qayṣarī1
- Ibrāhīm ibn Aḥmad Ḥanāshī1
- Ibrāhīm ibn Ḥasan ibn Pīr Mullā Ḥasan1
- Ignatius de Mediolano1
- Ilyās ibn Khamzah ʻAlī Niyat ʻAlī ibn Khamzah1
- Isidore of Kyiv1
- Isidorus1
- Ismāʻīl Rushdī1
- Ismāʻīl ibn Ṣāliḥ1
- Jacob Ben Atar1