Author
- Jacob ben Machir ibn Tibbon1
- Jacob ben Reuben ibn Zur1
- Jacob ibn Habib1
- Jacob of Serugh1
- Jacobo Bellenden1
- Jacobus Balbi1
- Jacobus Dinetus1
- Jacobus de Burgo1
- Jacomo Veronese1
- Jacopo Nannis de Piccolomini1
- Jacopo Ragone1
- Jacques Bruyant1
- Jacques Lempereur1
- Jacques Millet1
- Jacques de Vitry1
- Jagaddhara1
- Jagannāth, Svāmī1
- Jagannātha Dīkṣita (Son of Yādava Dīkṣita)1
- Jagannāthacandra1
- Jahangir Mirza Qajar1