Author
- Hugh Broughton1
- Hugh Ripelin of Strasburg1
- Hugh of Saint Victor1
- Humphrey Wellys1
- Iacopo Bracciolini1
- Ibn Ghazi al-Miknasi1
- Ibn Hijjah al-Hamawi1
- Ibn al-Farid1
- Ibn al-Jazari1
- Ibn al-Ḥājib1
- Ja'far Kashfi1
- Jacobo Bellenden1
- Jalal al-Din al-Suyuti1
- Jean Manesca1
- Jean de Malian1
- Jerome1
- Joanna of Austria, Princess of Portugal1
- Joannes Oliva1
- Johan de Arcenay1
- Johann Neudörffer the Elder1