- Heart of Mary
- Hedwig, Duchess of Poland and Widow
- Hegesippus, a Primitive Father of the Church
- Helen, Empress
- Heliodorus, Bishop of Altino
- Henry II, Emperor
- Henry Suzo, Confessor
- Herman Joseph of Steinfeld, Priest, Premonstratensian monk
- Hermenegild, Martyr
- Hilarion, Patriarch of the Solitaries of Palestine
- Hilary of Poitiers, Doctor of the Church
- Holy Innocents, Martyrs at the time of the Nativity of Our Lord
- Honoratus, Archbishop of Arles
- Hubert, Bishop of Maestricht and of Liège
- Hugh, Abbot of Cluny
- Hugh, Bishop of Grenoble
- Hyacinth, Missionary Preacher and Thaumaturge
