Author
- Harivallabha1
- Hatefi1
- Imam Birgivi1
- Immanuel Tremellius1
- Jagadīśatarkālaṅkāra1
- Jagannāth, Svāmī1
- Jagannātha Dīkṣita (Son of Yādava Dīkṣita)1
- Jaimini1
- Jayakr̥ṣṇa1
- Jayarāmanyāyapañcānana1
- Johanna Hawkeslowe (Sr.)1
- John Cleseby1
- Juan Valenzuela Velázquez1
- Juan Vicente de Güemes, 2nd Count of Revillagigedo1
- Juan de Foxá1
- Juan de Mongaston1
- Juana I of Castile1
- Jñānamṛtapata1
- Kamalakara1
- Kapila1