Scribe
- Hichecoke1
- Hieronimus Mediolanensis1
- Hieronymus de Canonicis1
- Hilarius, Monk of Verona1
- Hilel ben Eli1
- Hubertus1
- Hādī ibn Bahāʼ al-Dīn1
- Iacobus Tarranus1
- Ibn Abī Ṭālib, ʻAlī ibn Maḥmūd, active 13th century?1
- Ibn Darwīsh, Ibrāhīm ibn Muḥammad1
- Ibn Muḥammad Jaʻfar Muḥammad Bāqir al-Sharīf al-Naṣīr al-Ṭūsī1
- Ibn Muḥammad Riz̤ā Muḥammad1
- Ibrāhīm Bahjat Ḥamīdī1
- Ibrāhīm ibn Abī al-Suʻūd Jīzāwī1
- Ibrāhīm ibn Aḥmad Ḥanāshī1
- Isidore of Kyiv1
- Jacobus de Adriani1
- Jacobus de Mutina1
- Jayata, son of Valabhadra1
- Jehan Engremer1