 Saint Hierax |
 Saint Hiero |
 Saint Hieronides |
 Blessed Hieronimus Sōroku ヒエロニモ 惣六 (日本語) |
 Saint Hieronymus Lu Tingmei 盧廷美．業樂 (正體中文) |
| Blessed Hieronymus of the Cross Iyo ヘロニモ伊予 (日本語)Priest of Nagasaki. Member of Secular Franciscans. Martyr. |
 Saint Hieronymus van Weert, O.F.M. Obs. Jeroen (Nederlands) |
 Saint Hierotheos |
 Blessed Higinio de Mata Díez, S.D.B. |
| Blessed Higinio Roldán Iriberri, O.P. |
 Saint Hilaire de Bourgogne |
| Saint Hilaria |
| Saint Hilarian d’Espalion |
| Saint Hilarinus di Ostia Died:361 🩸 (Ostia, Italy)Religious. Martyr. |
| Blessed Hilario Barriocanal Quintana, C.M. |
| Blessed Hilario María Llorente Martín, C.M.F. |
 Saint Hilarion |
| Blessed Hilarión Eugenio, F.S.C. Eugenio Cuesta Padierna (secular name) |
| Saint Hilarion of Pelekete Abbot. Hegumen of Pelekete. Martyr. |
 Saint Hilarion the Great |
| Saint Hilarion the New Priest. Abbot of Dalmatus. |
| Saint Hilary |
 Blessed Hilary, O. Carm. Paweł Januszewski (secular name)Born:1909.06.11 (Krajenki, Kujawsko-Pomorskie, Poland)Ordained Priest:1934.07.15Died:1945.03.25 🩸 (KZ Dachau, Oberbayern, Germany † 35)Beatified:1999.06.13 (Warszawa, Poland)Feast:03.25Priest of Carmelites of the Ancient Observance. Martyr. |
| Saint Hilary of Poitiers Hilaire de Poitiers |
 Saint Hilda of Whitby Abbess. Founding abbess of Whitby. |
| Blessed Hildebrando María, O.S.B. Subl. Lluis Casanovas Vila (secular name) |
 Blessed Hildegard Burjan, C.S. Hildegard Lea Freund (secular name)Founder and religious of Sisters of Caritas Socialis. Politician. |
| Saint Hildegard von Bingen, O.S.B. |
 Saint Hildelith of Barking, O.S.B. |
| Saint Hildemarque du Bordelais Childemarque (français)Abbess. First abbess of Fécamp Abbey. |
 Saint Hilduard, O.S.B. |
| Saint Hiltrude de Liesse |
 Saint Himier |
| Saint Honesto de Nimes |
| Blessed Honesto María, F.S.C. Francisco Pujol Espinalt (secular name) |
 Blessed Honorat, O.F.M. Cap. Florentyn Wacław Koźmiński (secular name) |
| Blessed Honorato Alfredo, F.S.C. Agustín Pedro Calvo (secular name) |
| Blessed Honorato Andrés, F.S.C. Andrés Zorraquino Herrero (secular name) |
| Blessed Honorato Suárez Riu, O.S.B. |
| Saint Honoré de Buzançais |
| Saint Honorine de Graville |
| Blessed Honorino de Nuestra Señora de los Dolores, C.P. Honorio Carracedo Ramos (secular name) |
| Blessed Honorio Ballesteros Rodríguez, O.H. |
| Blessed Honorio de Orihuela, O.F.M. Cap. Ramón Juan Costa (secular name) |
| Blessed Honorio Hernández Martín, S.D.B. |
| Blessed Honorio Sebastián, F.S.C. Sebastián Obeso Alario (secular name) |
| Saint Hortasius |
| Saint Hosea One of the Twelve Prophets. |
| Saint Hospice de Nice |
| Saint Hripsime Ripsima (Italiano) |
 Blessed Hroznata, O. Praem. |
 Blessed Hryhorii Khomyshyn (Ukrainian Rite) Григорій Xомишин (Українська) |
| Blessed Hryhorii Lakota (Ukrainian Rite) Григорій Лакота (Українська) |
| Blessed Hubert de Saint-Claude, O.C.D. Jacques Gagnot (secular name) |
| Blessed Hugh Cook Faringdon, O.S.B. |
| Blessed Hugh Green (Ferdinand Brooke) |
| Blessed Hugh More |
| Saint Hugh of Avalon, O. Cart. |
| Blessed Hugh Taylor |
| Blessed Hugo Bernabé, F.S.C. Francesc Trullen Gilisbarts (secular name) |
| Blessed Hugo Julián, F.S.C. Julián Delgado Díez (secular name) |
| Saint Hugues de Bonnevaux, O. Cist. |
| Blessed Hugues de Digne, O.F.M. |
| Blessed Hugues de Fosses, O. Praem. |
| Saint Humbert de Maroilles Died:680.03.25? (Maroilles, France)Bishop. Missionary bishop. |
| Blessed Humbert III de Savoie Layperson. Count of Savoy. |
| Saint Humilis of Bisignano, O.F.M. Umile da Bisignano |
| Blessed Humphrey Middlemore, O. Cart. |
| Blessed Humphrey Pritchard |
| Saint Hyacinth of Amastris |
| Saint Hyacinth of Poland, O.P. Jacek Odrowąż |
| Blessed Hyacinthe-Marie Cormier, O.P. |
| Saint Hydulphe de Moyenmoutier, O.S.Col. |
| Saint Hymetière de Condat, O.S.B. |
| Saint Hypatius |