- Italy--Pienza1
- Italy--Pistoia (Province)1
- Italy--Rimini1
- Italy--San Gimignano1
- Italy--Scarperia1
- Italy--Serravalle Pistoiese1
- Italy--Terranuova Bracciolini1
- Italy--Vernio1
- Italy--Vicenza1
- Italy--Vicopisano1
- Iḥyāʼ ʻulūm al-dīn (Ghazzālī)1
- Jacopo, Bernardo di1
- Jacopo, Giovanni di1
- Jerome, Saint, -419 or 4201
- Jesus Christ1
- Jews--Persecutions1
- Jiří, z Poděbrad, King of Bohemia, 1420-14711
- John, Duke of Burgundy, 1371-14191
- Joseph (Son of Jacob)1
- Juan II, King of Castile and Leon, 1405-14541