Author
- Hayreddin Barbarossa1
- Henry Hancock1
- Henry Percy, 9th Earl of Northumberland1
- Henry Suso1
- Hernando del Pulgar1
- Hesiod1
- Holy Roman Empire1
- Homer1
- House of Gondi1
- Huangfu Xiao1
- Hugh Broughton1
- Ibn Arabi1
- Ibn Marzuq1
- Ibn Sa‛īd al- Ḥillī1
- Ibn al-Jazari1
- Ibrāhīm ibn Muḥammad ḥarīthī1
- Imam Birgivi1
- Innocent III1
- Inquisition Sicily)1
- Ippolito Libri1