Author
- Haimo of Auxerre1
- Hasan ibn ʻAbd Allah al-Sirafi1
- Henry Howard, 1st Earl of Northampton1
- Henry Suso1
- Hesiod1
- Honorat Bovet1
- Horace1
- Hugh Bigod, 3rd Earl of Norfolk1
- Hugh of Saint Victor1
- Hugo Trottus1
- Ibn Hisham Al-Ansari1
- Innocent III1
- Ippolito Libri1
- Isidore of Seville1
- Jacob of Serugh1
- Jacobus de Teramo1
- Jaimini1
- Jalal al-Din al-Suyuti1
- James of Milan1
- Jayāditya1