Scribe
- Jaʻfar ibn Muṣṭafá Nakdahʹwī1
- Jaʻfar ibn Ḥasan Barzanjī1
- Jaʻfarī, Muḥammad ibn Muḥammad, active 19th century1
- Jaṃtalīrāma Bhaṭṭa1
- Jehan Engremer1
- Jeronimus de Sandei1
- Jibrāyil ibn Mikhāyil Ḥamawī1
- Joannes Suardus1
- Joannes de Caudalonga2
- Johann Epping1
- Johann Pilter1
- Johann Schwayckofer1
- Johann von Neuburg1
- Johannes Antonius de Mirano1
- Johannes Baptista Filius1
- Johannes Vischer1
- Johannes de Bononia1
- Johannes de Camenago1
- Johannes de Kuppferberg1
- Johannes de Luxia1