| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 13 of January | Hilario | Saint Hilary of Poitiers | 315 France | 368 France |
| 20 of May | Hilario | Saint Hilario of Toulouse | France | |
| 3 of June | Hilario | Saint Hilario of Carcasonne | Italy | |
| 25 of October | Hilaro | Saint Hilaro of Javols | France | |
| 5 of May | Hilary | Saint Hilary of Arles | 401 France | 449 France |
| 7 of September | Hilduardo | Saint Hilduardo of Flandes | 760 Belgium | |
| 17 of June | Himerio | Saint Himerio of Amelia | Italy | |
| 14 of November | Hipacio | Saint Hipacio of Gangres | Turkey | |
| 16 of May | Honorato | Saint Honorato of Amiens | France | 653 France |
| 16 of January | Honorato | Saint Honorato | 429 France | |
| 8 of February | Honorato | Saint Honorato, obispo | 570 Italy | |
| 29 of October | Honorato | Saint Honorato of Vercelli | Italy | |
| 30 of September | Honorio | Saint Honorio of Cantorbery | 653 United kingdom | |
| 28 of November | Hortelano | Saint Hortelano | ||
| 3 of November | Huberto | Saint Huberto cazador | ||
| 30 of May | Huberto | Saint Huberto of Tongres | 727 Belgium | |
| 17 of November | Hugo | Saint Hugo of Lincoln | 1200 United kingdom | |
| 1 of April | Hugo | Saint Hugh of Grenoble | 1053 France | 1132 France |
| 9 of April | Hugo | Saint Hugo | 730 France | |
| 8 of March | Humfrido | Saint Humfrido | 871 France | |
| 22 of December | Hungero | Saint Hungero | 866 | |
| 17 of October | Ignacio | Saint Ignatius of Antioch | 35 Turkey | 107 Italy |
| 23 of October | Ignacio | Saint Ignacio of Constantinopla | 877 Turkey | |
| 23 of January | Ildefonso | Saint Ildephonse | 667 Spain | |
| 5 of June | Ilidio | Saint Ilidio of Arvernia | 384 France | |
| 5 of February | Ingenuino | Saint Ingenuino | 605 Italy | |
| 17 of April | Inocencio | Saint Inocencio of Tortona | Italy | |
| 6 of April | Ireneo | Saint Ireneo | Hungary | |
| 28 of June | Ireneo | Saint Irenaeus of Lyon | 130 Turkey | 202 France |
| 8 of September | Isaac | Saint Isaac of Armenia | 438 Armenia | |
| 15 of June | Isfrido | Saint Isfrido of Ratzeburg | 1204 Germany | |
| 26 of April | Isidro | Saint Isidore of Seville | 556 Spain | 636 Spain |
| 30 of September | Ismidón | Saint Ismidón of Die | 1115 France | |
| 10 of June | Itamar | Saint Itamar of Rochester | United kingdom | 656 United kingdom |
| 23 of December | Ivón | Saint Ivón | 1116 France | |
| 29 of November | Jacobo | Saint Jacobo obispo | Syrian arab republic | 521 Syrian arab republic |
| 16 of January | Jacobo | Saint Jacobo obispo of Tarantasia | France | |
| 15 of July | Jacobo | Saint Jacobo of Nísibe | 338 | |
| 6 of June | Jarlato | Saint Jarlato of Irlanda | 550 Ireland | |
| 19 of September | Jenaro | Saint Januarius of Naples | Italy | Italy |
| 5 of October | Jerónimo | Saint Jerónimo of Nevers | 816 France | |
| 14 of November | Jocundo | Saint Jocundo | ||
| 7 of May | John | Saint John of Beverley | United kingdom | 721 United kingdom |
| 19 of April | Jorge | Saint Jorge of Antioquía | 818 Turkey | |
| 7 of April | Jorge | Saint Jorge of Lesbos | 816 Greece | |
| 2 of November | Jorge | Saint Jorge of Viennes | 670 France | |
| 9 of November | Jorge | Saint Jorge of Lodève | 870 France | |
| 12 of November | Josafat | Saint Josafat Kuncewicz | 1580 Ukraine | 1623 Ukraine |
| 20 of July | José | Saint José María Díaz Saintjurjo | 1857 Viet nam | |
| 15 of July | José | Saint José of Tesalónica | 832 | |
| 8 of February | Jovencio | Saint Jovencio | 397 Italy | |
| 23 of October | Jozef | Saint Jozef Bilczewski | Poland | 1923 Ukraine |
| 23 of October | Juan | Saint Juan of Siracusa | 609 Italy | |
| 11 of November | Juan | Saint Juan el Limosnero | 620 Cyprus | |
| 14 of November | Juan | Saint Juan of Traú | 1111 Croatia (Hrvatska) | |
| 28 of January | Juan | Saint Juan of Cuenca | 1208 Spain | |
| 27 of August | Juan | Saint Juan of Pavía | 825 Italy | |
| 7 of September | Juan | Saint Juan of Lodi | 1106 Italy | |
| 13 of September | Juan | Saint John Chrysostom | 349 | 407 Italy |
| 4 of December | Juan | Saint Juan Taumaturgo | Italy | Italy |
| 7 of December | Juan | Saint Juan el Silencioso | Israel | 558 Israel |
| 2 of January | Juan | Saint Juan Bueno | 660 Italy | |
| 5 of January | Juan | Saint John Nepomucene Neumann | 1811 Czech republic | 1860 United States |
| 6 of January | Juan | Saint Juan of Ribera | 1611 Spain | |
| 10 of January | Juan | Saint Juan bueno obispo | 417 Israel | |
| 14 of April | Juan | Saint Juan of Montemarano | France | |
| 13 of May | Juan | Saint Juan Silenciero | 454 Armenia | 558 Israel |
| 22 of June | Juan | Saint Juan Fisher | 1469 United kingdom | 1535 United kingdom |
| 1 of February | Juan | Saint Juan, obispo of Saint-Malo | 1163 France | |
| 16 of March | Juan | Saint Juan Sordi | 1181 Italy | |
| 21 of March | Juan | Saint Juan of Valence | 1145 France | |
| 3 of April | Juan | Saint Juan of Nápoles | 432 Italy | |
| 6 of March | Julián | Saint Julian | 690 Spain | |
| 27 of January | Julián | Saint Julián of Cenomanum | France | |
| 28 of January | Julián | Saint Julián of Cuenca | 1207 Spain | |
| 1 of January | Justino | Saint Justino obispo | Italy | |
| 31 of July | Justino | Saint Justino of Iacobis | 1860 Ethiopia | |
| 10 of November | Justo | Saint Justo of Canterbury | 627 United kingdom | |
| 28 of May | Justo | Saint Justo of Urgel | Spain | |
| 3 of May | Juvenal | Saint Juvenal of Narni | 376 Italy | |
| 13 of January | Kentigerno | Saint Kentigerno | 612 United kingdom | |
| 5 of March | Kierano | Saint Kierano | 530 Ireland | |
| 14 of April | Lamberto | Saint Lamberto of Lyon | 688 France | |
| 26 of May | Lamberto | Saint Lamberto of Vence | 1154 Italy | |
| 17 of September | Lamberto | Saint Lamberto of Lieja | 705 Belgium | |
| 10 of June | Landerico | Saint Landerico of París | 657 France | |
| 19 of September | Lantberto | Saint Lantberto of Frisinga | 957 Germany | |
| 22 of September | Lautón | Saint Lautón of Coutances | France | |
| 14 of March | Lázaro | Saint Lázaro of Milán | Italy | |
| 28 of February | Leandro | Saint Leander of Seville | 534 Spain | 601 Spain |
| 14 of March | Leobino | Saint Leobino of Chartres | 557 France | |
| 20 of February | León | Saint León of Catania | 787 Italy | |
| 1 of March | León | Saint León of Vasconia | Spain | |
| 22 of April | León | Saint León of Sens | France | |
| 11 of July | Leoncio | Saint Leoncio of Burdeos | 570 France | |
| 1 of December | Leoncio | Saint Leoncio of Frejus | France | 433 France |
| 7 of March | Leónidas | Saint Leónidas Fëdorov | 1934 Russian federation | |
| 20 of October | Leopardo | Saint Leopardo of Osimo | Italy | |
| 22 of October | Leotadio | Saint Leotadio of Auch | Germany | |
| 11 of January | Leucio | Saint Leucio | Italy |