- Heinrich, der Jüngere, Duke of Brunswick-Wolfenbüttel, 1489-15681
- Hell--Buddhism1
- Hell--Islam1
- Hemorrhoids1
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Henry II, King of France, 1519-15593
- Henry III, King of Castile and León, 1379-14061
- Henry IV, King of Castile and Leon, 1425-14746
- Henry V, King of England, 1387-14221
- Heraldry13
- Herbals1
- Herbs1
- Heresy1
- Hermeneutics4
- Hermes, Trismegistus1
- Hermetism2
- Hermits4
- Hertford, Katherine Seymour, Countess of, 1540-15681
- Hezekiah ben David da Silva, 1659-1