Author
- Hai Gaon1
- Haimo of Auxerre1
- Haymo of Faversham1
- Hieronymus de Viterbo1
- Hugh Ripelin of Strasburg1
- Hugh of Balma1
- Hugh of Fouilloy1
- Hugh of Saint-Cher1
- Iacobo Cattaneo Lagomarsino1
- Iacopo Bracciolini1
- Iacopo da Benevento1
- Innocent III1
- Innocent IV1
- Innocent XI1
- Isaac Alfasi1
- Isaac Israeli ben Joseph1
- Isaac of Troki1
- Israel Sarug1
- Jacob Israel Karmi1
- Jacob Saphir1