Name
- Hippocrates, 460-380 BC, http://isni.org/isni/000000... http://viaf.org/viaf/2879847361
- Honorius of Autun, c 1080-c 1155, http://isni.org/isni/000000... http://viaf.org/viaf/1002011451
- Hugh IV, King of Cyprus, c1295–13591
- Innocent III, Pope, 1160/61-1216, http://isni.org/isni/000000... http://viaf.org/viaf/160177871
- Ivo of Chartres, Saint, Bishop of Chartres, c 1040-1116, http://isni.org/isni/000000... http://viaf.org/viaf/849716821
- Joanna, Queen of Sicily, Joan of England, 1165-11991
- John Chrysostom, Saint, Archbishop of Constantinople, c 347-407, http://isni.org/isni/000000... http://viaf.org/viaf/3052148681
- John the Deacon of Rome, Deacon of Rome; also known as Johannes Hymonides, c 825-c 880, http://isni.org/isni/000000... http://viaf.org/viaf/951484711
- John, Duke of Bedford, of Lancaster, 1389-14351
- John, King of England and Lord of Ireland, 1167-12161
- Junius Juvenalis, Decimus, Late 1st century-Early 2nd century, http://isni.org/isni/000000... http://viaf.org/viaf/839851481
- Juvencus, Gaius Vettius Aquilinus, c 300-c 400, http://isni.org/isni/000000... http://viaf.org/viaf/566553961
- Kritopoulos, Metrophanes, Patriarch of Alexandria, 1589-16391
- Kyffin, Howel, Dean of St Asaph, fl. 1381-13841
- Lancaster, Thomas Earl of, d. 13221
- Lanfranc of Canterbury, Archbishop of Canterbury, c 1010-1089, http://isni.org/isni/000000... http://viaf.org/viaf/829398451
- Langtoft, Peter, Augustinian canon and chronicler, d 13051
- Lewis, Geoffrey, DD1
- Lombard, Peter, Bishop of Paris, c 1100-1160, http://isni.org/isni/000000... http://viaf.org/viaf/517979331
- Lupus of Ferrières, Abbot of the Benedictine abbey of St Peter and St Paul, Ferrières-en-Gâtinais, c 805-c 862, http://isni.org/isni/000000... http://viaf.org/viaf/24786021