Scribe
- Isidore of Kyiv1
- Isidorus1
- Ismāʻīl Rushdī1
- Ismāʻīl ibn ʻAbd Allāh Khālidī1
- Ismāʻīl ibn Ṣāliḥ1
- Ismāʻīl Ṭarabzūnī1
- Istānbūlī, Darwīsh Muḥammad ibn Ḥasan1
- Ivan Blinov1
- J. Clynton1
- Jacob Ben Atar1
- Jacobus Benedictus Eximeno1
- Jacobus Mafeus1
- Jacobus de Adriani1
- Jacobus de Mutina1
- Jacopo Tiraboschi1
- Jacopo di Domenicho1
- Jagannāth Āpājī Pārkar Rānjhekar1
- Jagannātha1
- Jagannātha Bhaṭa Pāṭaka (Son of Viṭalabhaṭa)1
- Jaikṛṣṇabhaṭṭa1