- Guardi, Gabriele1
- Gucciarelli, Buongiuliano de1
- Guelfi, Martino1
- Guelfo, Martino di1
- Guglielmo, Antonio di1
- Guidalotti, Antonia1
- Guido, Jacopo di1
- Guido, Pietro di1
- Guidoni, Luigi1
- Guillaume, de Sabran1
- Gurrea Pelliparinus, Johannes de1
- Handbooks and manuals1
- Hannibal, 247 B.C.-182 B.C.1
- Henry IV, King of Castile and Leon, 1425-14741
- Henry VI, King of England, 1421-14711
- Henry VII, King of England, 1457-15091
- Hepay, Peter de, 13th century1
- Hermits1
- Hilarion, Saint, approximately 291-approximately 3711
- Historia de regibus Gothorum, Vandalorum, et Suevorum (Isidore, of Seville, Saint)1