Author
- House of della Rovere1
- Humphrey Wellys1
- Ibn al-Ḥājib1
- Imam Birgivi1
- Immanuel Tremellius1
- Ippolito Libri1
- Jacobo Bellenden1
- Jaghmini1
- Jakob Christoph Blarer von Wartensee1
- James V of Scotland1
- Jean Marot1
- Jerónimo Román y Zamora1
- Jerónimo de Vivar1
- Jiang Zhi1
- Jiménez de Enciso, Andrés1
- Joanna of Austria, Princess of Portugal1
- Joannes Dominicus de Marchis1
- Johanna Hawkeslowe (Sr.)1
- Johannes Tostius1
- Johannes de Thurocz1