| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 6 of December | José | Saint José Nguyen Duy Khang | China | 1861 China |
| 7 of December | Juan | Saint Juan el Silencioso | Israel | 558 Israel |
| 8 of December | José | Blessed José María Zabal Blasco | 1898 Spain | 1936 Spain |
| 9 of December | Juan | Saint Juan Diego | 1474 Mexico | 1548 Mexico |
| 9 of December | John | Venerable Fulton Sheen | 1895 United States | 1979 United States |
| 10 of December | Julia | Saint Julia | ||
| 10 of December | Juan | Saint Juan Roberts | United kingdom | 1610 United kingdom |
| 10 of December | Juan | Blessed John Mason | United kingdom | 1591 United kingdom |
| 11 of December | Jerónimo | Blessed Jerome Ranuzzi | Italy | 1466 Italy |
| 12 of December | Jacobo | Blessed Giacomo Capocci | Italy | 1308 Italy |
| 13 of December | Juan | Blessed John Marinoni | Italy | 1562 Italy |
| 13 of December | Judoco | Saint Judoco | 669 | |
| 14 of December | Juan | Saint John of the Cross | 1542 Spain | 1591 Spain |
| 17 of December | Juan | Saint Juan of Mata | France | 1213 France |
| 17 of December | Jacinto | Blessed Giacinto Cormier | 1916 | |
| 17 of December | José | Saint Josep Manyanet y Vives | 1833 Spain | 1901 Spain |
| 17 of December | Judicael | Saint Judicael | France | 650 France |
| 20 of December | Julio | Saint Julio mártir | ||
| 23 of December | Juan | Saint John Cantius | 1390 Poland | 1473 Poland |
| 23 of December | Juan | Saint Juan Stone | 1539 United kingdom | |
| 27 of December | Juan | Saint John the Evangelist and Apostle | Israel | 100 Turkey |
| 27 of December | José | Blessed José María Corbín Ferrer | 1914 Spain | 1936 Spain |
| 30 of December | Judith | Saint Judith | ||
| 30 of December | Juan | Blessed Giovanni Maria Boccardo | 1913 Italy | |
| 30 of December | Jocundo | Saint Jocundo obispo | 502 Italy |