Author
- House of Requesens1
- House of Ventimiglia1
- Hugh Ripelin of Strasburg1
- Hugh of Fouilloy1
- Hugh of Saint-Cher1
- Hugo Trottus1
- Hélinand of Froidmont1
- Iachetus Italianus1
- Iacopo Bracciolini1
- Iacopo da Benevento1
- Innocent XI1
- Jabir ibn Hayyan1
- Jacobus Balbi1
- Jacopo Nannis de Piccolomini1
- Jacopo Piccolomini-Ammannati1
- Jacopo Ragone1
- Jacopone da Todi1
- Jakob Wimpfeling1
- James of Lausanne1
- James of Milan1