Scribe
- Jaʻfar ibn Muṣṭafá Nakdahʹwī1
- Jaʻfar ibn Ḥasan Barzanjī1
- Jaṃtalīrāma Bhaṭṭa1
- Jean d'Aussert1
- Jehan Engremer1
- Jehan Tsioc1
- 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 Baldung1
- Johannes Baptista Filius1
- Johannes Malgarius de Parma1
- Johannes Petrus Mathei1
- Johannes Theatinus Cycurius1