| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 27 of June | Juan | Saint Juan of Chinon | France | France |
| 28 of June | Juan | Saint Juan Southworth | 1592 United kingdom | 1654 United kingdom |
| 30 of June | Jenaro María | Blessed Gennaro Maria Sarnelli | 1702 Italy | 1744 Italy |
| 1 of July | Juan | Blessed John Nepomucen Chrzan | Poland | 1942 Germany |
| 3 of July | José | Saint José Nguyen Dình Uyên | 1838 Viet nam | |
| 4 of July | Jocundiano | Saint Jocundiano mártir | ||
| 4 of July | José | Blessed Joseph Kowalski | 1942 Poland | |
| 4 of July | Juan | Blessed John of Vespignano | Italy | |
| 6 of July | Justo | Saint Justo of Condat | Germany | |
| 7 of July | Juan | Blessed John Joseph Juge of Saint-Martin | 1794 France | |
| 8 of July | Juan | Saint Juan Wu Wenyin | China | 1900 China |
| 9 of July | José | Saint José Yuan Zaide | 1817 China | |
| 9 of July | Joaquín | Saint Joaquín He Kaizhi | 1839 China | |
| 9 of July | Juana | Blessed Jane Scopelli | 1491 Italy | |
| 12 of July | Juan | Saint John Gualbert | 985 Italy | 1073 Italy |
| 12 of July | Juan | Saint Juan Jones | United kingdom | 1598 United kingdom |
| 13 of July | Jacobo | Blessed Giacomo of Varazze | 1298 Italy | |
| 13 of July | José | Saint José Wang Guiji | 1900 China | |
| 14 of July | Juan | Saint Juan Wang Guixin | 1900 China | |
| 15 of July | Jacobo | Saint Jacobo of Nísibe | 338 | |
| 15 of July | José | Saint José of Tesalónica | 832 | |
| 17 of July | Jacinto | Saint Jacinto of Amastris | Turkey | |
| 18 of July | Juan | Blessed Jean Baptiste of Brussels | 1794 France | |
| 19 of July | Juan | Saint Juan Bautista Zhou Wurui | 1900 China | |
| 19 of July | Juan | Saint Juan Plessington | 1679 United kingdom | |
| 20 of July | José | Saint José Bársabas el Justo | ||
| 20 of July | José | Saint José María Díaz Saintjurjo | 1857 Viet nam | |
| 22 of July | Jerónimo | Saint Jerónimo of Pavía | Italy | |
| 22 of July | Jacobo | Blessed Jacques Lombardie | 1794 France | |
| 23 of July | Juan | Saint Juan Casiano | 435 France | |
| 23 of July | Juana | Blessed Joan of Orvieto | 1306 Italy | |
| 24 of July | Javier | Blessed Javier Bordás Piferrer | 191 Spain | 1936 Spain |
| 24 of July | Juan | Saint Juan Boste | United kingdom | 1594 United kingdom |
| 24 of July | José | Blessed Joseph Lambton | 1592 United kingdom | |
| 24 of July | José | Saint José Fernández | 1775 Spain | 1838 Viet nam |
| 24 of July | Juan | Blessed John Tossignano Tavelli | 1146 Italy | |
| 25 of July | Juan | Blessed John Soreth | 1471 France | |
| 26 of July | Joaquín | Saint Joachim, father of Mary | Israel | Israel |
| 26 of July | Juan | Blessed John Ingram | 1565 United kingdom | 1594 United kingdom |
| 26 of July | Jorge | Saint Jorge Preca | 1880 Malta | 1962 Malta |
| 26 of July | Jorge | Blessed George Swallowell | United kingdom | 1594 United kingdom |
| 27 of July | Juliana | Saint Juliana of Iluro | Spain | |
| 27 of July | Joaquín | Blessed Joaquín Vilanova Camallonga | 1888 Spain | 1936 Spain |
| 29 of July | José | Blessed José of Calasanz Marqués | 1872 Spain | 1936 Spain |
| 29 of July | Juan | Blessed Juan Bautista Egozcuezábal Aldaz | 1882 Spain | 1936 Spain |
| 30 of July | José | Saint José Yuan Gengyin | China | 1900 China |
| 30 of July | Julita | Saint Julita of Cesarea | 303 Turkey | |
| 31 of July | Juan | Blessed Giovanni Colombini | 1307 Italy | |
| 31 of July | Justino | Saint Justino of Iacobis | 1860 Ethiopia | |
| 31 of July | Jaime | Blessed Jaime Buch Canals | 1889 Spain | 1936 Spain |
| 31 of July | Juan | Blessed Jean François Jarriges | France | 1794 France |
| 1 of August | Jonato | Saint Jonato of Marchiennes | 690 Belgium | |
| 1 of August | Juan | Blessed John Bufalari | 1336 Italy | |
| 2 of August | Juana | Blessed Joan of Aza | Spain | |
| 4 of August | Juan | Saint John Baptiste Vianney | 1786 France | 1859 France |
| 4 of August | Jacinto | Saint Jacinto of Roma | Italy | |
| 6 of August | Justo | Saint Justo | 304 Spain | |
| 7 of August | Jordán | Blessed Giovanni Forzaté | 1248 Italy | |
| 9 of August | Juan | Blessed John of Fermo | 1322 Italy | |
| 9 of August | Juan | Blessed John of Salerno | 1190 Italy | 1242 Italy |
| 10 of August | José | Blessed José Toledo Pellicer | 1909 Spain | 1936 Spain |
| 10 of August | Juan | Blessed Juan Martorell Soria | 1889 Spain | 1936 Spain |
| 11 of August | Juan Jorge | Blessed Jean Georges Rhem | 1794 | |
| 13 of August | Jacobo | Blessed Jakob Gapp | 1943 Germany | |
| 16 of August | Juan | Blessed John Saint Martha | 1618 Japan | |
| 16 of August | Juan | Blessed Jean Baptiste Ménestrel | 1794 France | |
| 17 of August | Juana | Saint Juana Delanoue | 1763 France | |
| 18 of August | Juana | Saint Juana of Chantal | 1572 France | 1641 France |
| 19 of August | Juan | Saint John Eudes | 1680 France | |
| 19 of August | Jordán | Blessed Jordan of Pisa | 1311 Italy | |
| 21 of August | José | Saint José Dang Dinh Viên | 1838 Viet nam | |
| 22 of August | Jacobo | Blessed Giacomo Bianconi | 1301 Italy | |
| 22 of August | Juan | Saint Juan Kemble | 1599 United kingdom | 1679 United kingdom |
| 22 of August | Juan | Saint Juan Wall | 1620 United kingdom | 1679 United kingdom |
| 23 of August | Juan | Blessed Jean Bourdon | 1794 France | |
| 24 of August | Jorge | Saint Jorge Limniota | 730 Turkey | |
| 24 of August | Juana | Saint Juana Antida Thouret | 1826 Italy | |
| 25 of August | José | Saint Joseph of Calasanz | 1557 Spain | 1648 Italy |
| 26 of August | Jacobo | Blessed Jacques Retouret | 1746 France | 1794 France |
| 26 of August | Juana | Saint Juana Isabel Bichier des Ages | 1773 France | 1838 France |
| 27 of August | Juan | Blessed John Baptist Vernoy of Montjournal | 1736 France | 1794 France |
| 27 of August | Juan | Saint Juan of Pavía | 825 Italy | |
| 28 of August | Julián | Saint Julián of Brivet | France | |
| 28 of August | Junípero | Blessed Junipero Serra | 1713 Spain | 1784 Mexico |
| 29 of August | Juan | Saint John the Baptist, martyr | ||
| 30 of August | Joaquín | Blessed Joaquín Ferrer Adell | 1879 Spain | 1936 Spain |
| 30 of August | Juan | Blessed John Juvenal Ancina | 1604 Italy | |
| 1 of September | Josué | Saint Joshua | ||
| 1 of September | Juana | Blessed Jane Soderini | 1367 Italy | |
| 1 of September | Juliana | Blessed Juliana of Collalto | 1186 Italy | 1262 Italy |
| 4 of September | José | Blessed José Pascual Carda Saporta | 1936 Spain | |
| 5 of September | Juan | Blessed Giovanni 'the good' of Siponto | Macedonia, the former yugoslav republic of | |
| 7 of September | Juan | Blessed Giovanni Battista Mazzucconi | 1855 Papua new guinea | |
| 7 of September | Juan | Saint Juan of Lodi | 1106 Italy | |
| 9 of September | Jacinto | Saint Jacinto of Sabina | 690 Italy | |
| 9 of September | Jacobo | Blessed James Desire Laval | 1803 France | 1864 Mauritius |
| 9 of September | Jorge | Blessed George Douglas | United kingdom | 1587 United kingdom |
| 10 of September | Jacobo | Blessed Jacques Gagnot | France | |
| 11 of September | José | Blessed José María Segura Penadés | 1896 Spain | 1936 Spain |
| 11 of September | Juan | Saint Juan Gabriel Perboyre | 1802 France | 1840 China |