- Faucket, Jean, fl. 1488-14971
- Gazaeus, Aeneas1
- Gellius, Aulus1
- Geoffrey, of Monmouth, Bishop of St. Asaph, 1100?-11541
- George, of Trebizond, 1396-14861
- Gilbert, de La PorreĢe, approximately 1075-11541
- Goffredo, da Trani, d. 12451
- Gregory I, Pope, approximately 540-6041
- Guarino, Veronese, 1374-14601
- Guillaume, de Lorris, active 12301
- Heinrich von Sankt Gallen1
- Hesiod1
- Hoccleve, Thomas, 1370?-1450?1
- Iacobus, of Speyer1
- Jacobus, Mediolanensis, active 13th century1
- Jacobus, de Voragine, approximately 1229-12981
- Jacopone, da Todi, 1230-13061
- Jacques, de Longuyon, active 1290-13121
- Jacques, de Vitry, approximately 1170-12401
- John XXII, Pope, -13341