- Grosseteste, Robert, 1175?-1253.1
- Guillaume, de Deguileville, active 14th century.1
- Haimo, Bishop of Halberstadt.1
- Henry, of Ghent, 1217?-1293.1
- Hermannus, Contractus, 1013-1054.1
- Homer.1
- Honorius, of Autun, approximately 1080-approximately 1156.1
- Horace.1
- Hormisdas, Pope, -523.1
- Innocent IV, Pope, approximately 1200-1254.1
- Ivo, Saint, Bishop of Chartres, ca. 1040-1116.1
- Jacobus, de Theramo, 1349-1417.1
- Jacquemart, de Hesdin, active 1380-1411.1
- John XXII, Pope, -1334.1
- John, the Apostle, Saint.1
- Josephus, Flavius.1
- Justinus, Marcus Junianus.1
- Lancelot (Legendary character)1
- Langland, William, 1330?-1400?1
- Langton, Stephen, d. 1228.1