Author
- Jacob Berab1
- Jacob Jacobke Heilprin1
- Jacob Meyer1
- Jacob ben David ben Yom Tov1
- Jacob ben Jacob, ha-Kohen, -approximately 12701
- Jacob ben Machir ibn Tibbon1
- Jacob ben Reuben ibn Zur1
- Jacob ibn Habib1
- Jacobus Dinetus1
- Jacobus de Burgo1
- Jacobus de Cessolis1
- Jacobus de Teramo1
- Jacopo Ragone1
- Jacques Legrand1
- Jacques Millet1
- Jagannāth, Svāmī1
- Jagannātha Dīkṣita (Son of Yādava Dīkṣita)1
- Jagannāthacandra1
- Jahangir Mirza Qajar1
- Jai Singh II1