Author
- Gerardo da Siena1
- Gersonides1
- Giannozzo Manetti1
- Giles of Rome1
- Giovanni Bonsignori1
- Giovanni Francesco Russo1
- Giovanni Marliani1
- Guido de Monte Rochen1
- Hai Gaon1
- Haymo of Faversham1
- Hieronymus de Viterbo1
- Hugh of Balma1
- Hugh of Saint Victor1
- Hugh of Saint-Cher1
- Iacopo Bracciolini1
- Iacopo da Benevento1
- Immanuel Bonfils1
- Innocent III1
- Innocent XI1
- Isaac Israeli ben Joseph1