| Saint Habakkuk One of the Twelve Prophets. |
 Saint Habencio de Córdoba |
 Saint Hadelin |
 Blessed Hadrianus Takahashi Mondo アドリアン 高橋 水主 (日本語) |
 Saint Hadulf de Cambrai Died:728.05.19Feast:05.19Bishop of Cambrai (France) (717 – 728.05.19)Bishop. Abbot of Saint-Vaast of Arras. |
| Saint Haggai One of the Twelve Prophets. |
 Saint Hallvard Vebjørnsson Born:1020? (Lier, Norway)Died:1043 🩸 († 23)Layperson. Martyr. |
 Saint Hamund |
 Blessed Hanna Chrzanowska Layperson. Member of the Benedictine oblates. |
 Saint Hannibal Mary Di Francia, R.C.J. Annibale Maria Di Francia |
| Saint Harlindis van Maaseik |
| Blessed Hartmann di Bressanone, O.E.S.A. |
| Saint Hathawulf |
| Saint Hedwig of Poland Jadwiga Andegaweńska |
| Saint Hedwig of Silesia Jadwiga ŚląskaLayperson. Duchess of Silesia. Widow. |
 Saint Hegesippus |
 Saint Heimerad von Hasunger |
| Blessed Heinrich von Bozen Arrigo da Bolzano (Italiano) |
| Saint Helena |
 Saint Helena of Skövde Elin av SkövdeBorn:1101? (Västergötland, Sweden)Died:1160 🩸 (Götene, Sweden † 59)Canonised:1164Feast:07.31Layperson. Married. Martyr. |
 Saint Heliconis of Thessalonica Eliconide (Italiano) |
 Saint Helier |
| Blessed Hélinand de Froidmont, O. Cist. |
| Blessed Heliodoro Merino Merino, O.E.S.A. |
| Blessed Heliodoro Ramos García, S.D.B. |
 Saint Heliodorus |
 Saint Helladius |
 Saint Hemma von Gurk |
 Saint Hemming Bishop of Åbo (Finland) (1340 – 1366.05.21)Bishop. |
| Blessed Henri-August Luzeau de la Mulonnière, P.S.S. |
| Blessed Henri-Hippolyte Ermès |
| Blessed Henri-Jean Milet |
 Blessed Henri Vergès, F.M.S. |
| Blessed Henriette de Jésus, O.C.D. Marie-Françoise de Croissy (secular name) |
| Saint Henry Heinrich II |
 Blessed Henry Abbot |
| Saint Henry Morse, S.J. |
| Blessed Henry Suso, O.P. Heinrich Seuse |
| Saint Henry Walpole, S.J. |
| Blessed Henry Webley |
 Blessed Henryk Hlebowicz Born:1904.07.01 (Grodno, Hrodzyenskaya voblasts’, Belarus)Ordained Priest:1927.02.20Died:1941.11.09 🩸 (Borisov, Minskaya voblasts’, Belarus † 37)Beatified:1999.06.13 (Warszawa, Poland)Feast:11.09Priest of Włocławek. Martyr. |
| Blessed Henryk Kaczorowski |
| Blessed Henryk, O.F.M. Cap. Józef Krzysztofik (secular name) |
 Saint Heraclides |
| Blessed Heraclio Matute Tobías, C.M.F. |
 Saint Heraclius of Tulcea |
| Saint Herculanus Died:II century 🩸 (Roma, Italy)Layperson. Soldier. Martyr. |
| Blessed Herlinda, A.A.S.C. Aúrea González Fernández (secular name)Religious of Sisters Adorers Handmaids of Charity and of the Blessed Sacrament. Martyr. |
| Blessed Herman, O.F.M. Conv. Karol Stępień (secular name) |
| Saint Hermann Joseph von Steinfeld, O. Praem. |
| Blessed Hermann Lange |
| Saint Hermas of Myra |
| Saint Hermeland d’Indre, O.S.B. |
| Saint Hermenegildo Born:564 (Medina del Campo, Spain)Died:585.04.13 🩸 (Sevilla, Spain † 20)Feast:04.13Layperson. Martyr. |
| Blessed Hermenegildo de la Asunción, O.SS.T. Hermenegildo Iza y Aregita (secular name) |
| Blessed Hermenegildo Lorenzo, F.S.C. Modesto Sáez Manzanares (secular name) |
| Saint Hermes |
| Saint Hermes |
 Saint Hermes Layperson. Exorcist. Martyr. |
| Saint Hermes Ermete di RomaLayperson. Buried in cemetery of Basilla on Via Salaria Antica. Martyr. |
| Saint Hermes of Heraclea |
| Saint Hermias Layperson. Soldier. Martyr. |
 Saint Hermias |
| Blessed Hermilo de San Eliseo, O.C.D. Pedro Ramón Rodríguez Calle (secular name) |
| Blessed Herminia Martínez Amigó de Martínez |
| Blessed Herminio Motos Torrecillas Born:1877.12.09 (María, Almería, Spain)Ordained Priest:1901.06.01Died:1936.10.13 🩸 (Dehesa de María, Almería, Spain † 58)Beatified:2017.03.25 (Almería, Spain)Priest of Almería. Martyr. |
| Blessed Herminio Pascual, F.M.S. Saturnino Jaunsarás Zabaleta (secular name) |
| Saint Hermogenes |
| Saint Hermogenes |
| Blessed Hermógenes, F.M.S. Antonio Badía Andalé (secular name) |
| Saint Hermogenes of Melitene |
| Blessed Hernando de San José Ayala Fernández, O.E.S.A. エルナンド･デ･アヤラ･デ･サン･ホセ (日本語) |
| Saint Herodion |
| Saint Heron |
| Saint Heron |
| Saint Hervé de Bretagne Erveo (Italiano) |
| Saint Hesiquio de Cazorla Bishop. One of the Seven Apostolic Men of Spain. |
| Saint Hesychius |
 Saint Hesychius |
| Saint Hesychius |
| Saint Hesychius of Antioch Layperson. Palace official. Martyr. |
 Saint Hesychius of Palestine |