| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 3 of December | Crispin | Saint Crispin martyr | ||
| 4 of December | Juan | Saint John of Damascus | 675 Syrian arab republic | 750 Israel |
| 4 of December | Bertoara | Saint Bertoara | ||
| 4 of December | Marutas | Saint Marutas | Syrian arab republic | Syrian arab republic |
| 4 of December | Juan | Saint Juan Taumaturgo | Italy | Italy |
| 4 of December | Félix | Saint Félix obispo | Italy | 432 Italy |
| 4 of December | Osmundo | Saint Osmundo | United kingdom | 1099 United kingdom |
| 4 of December | Annon | Saint Annon of Cologne | Germany | 1075 Germany |
| 4 of December | Juan | Saint Juan Calabria | Italy | 1954 Italy |
| 4 of December | Adolfo | Blessed Adolf Kolping | 1813 Germany | 1865 Germany |
| 4 of December | Aprus | Saint Aprus | France | France |
| 4 of December | Bernard | Saint Bernard cardinal | Italy | 1133 Italy |
| 4 of December | Pietro | Blessed Pietro Pettinari | Italy | 1289 Italy |
| 4 of December | Melecio | Saint Melecio | Russian federation | Russian federation |
| 4 of December | Sola | Saint Sola | Germany | 794 Germany |
| 4 of December | Sigiramnio | Saint Sigiramnio | France | France |
| 4 of December | Heracles | Saint Heracles | Egypt | 249 Egypt |
| 4 of December | Francisco | Blessed Francisco Gálvez | 1578 Spain | 1623 Japan |
| 4 of December | Jerónimo | Blessed Jerome of Angelis | 1623 Japan | |
| 4 of December | Simon | Blessed Simon Yempo | 1623 Japan | |
| 5 of December | Sabas | Saint Sabbas | 439 Turkey | 532 Turkey |
| 5 of December | Bartolomé | Blessed Bartholomew Fanti | Italy | 1495 Italy |
| 5 of December | Felipe | Blessed Filippo Rinaldi | Italy | Italy |
| 5 of December | Geraldo | Saint Geraldo | Portugal | 1108 Portugal |
| 5 of December | Juan | Saint Juan Almond | United kingdom | 1612 United kingdom |
| 5 of December | Lúcido | Saint Lúcido | ||
| 5 of December | Nicolas | Blessed Nicolas Stensen | Denmark | 1683 Denmark |
| 5 of December | Anastasio | Saint Anastasius | ||
| 5 of December | Bassus | Saint Bassus | ||
| 5 of December | Crispin | Saint Crispin | ||
| 5 of December | Félix martir | Saint Félix martir | ||
| 5 of December | Humilde de Bisignano | Blessed Humilis of Bisignano | Italy | Italy |
| 5 of December | Julio | Saint Julio | ||
| 5 of December | Nicecio | Saint Nicecio | ||
| 5 of December | Pelagio monje | Saint Pelagio monje | ||
| 6 of December | Nicolás | Saint Nicholas of Bari | Turkey | 345 Turkey |
| 6 of December | Mayórico | Saint Mayórico | 484 | |
| 6 of December | Tercio | Saint Tercio | 484 | |
| 6 of December | Obicio | Saint Obicio | Italy | 1204 Italy |
| 6 of December | Pedro | Blessed Pedro Pascual | 1227 Spain | 1300 Spain |
| 6 of December | José | Saint José Nguyen Duy Khang | China | 1861 China |
| 6 of December | Boniface | Saint Boniface Sibidense | 484 | |
| 6 of December | Policronio | Saint Policronio | ||
| 6 of December | Dionisia | Saints Dionisia y compañeros | 484 | |
| 6 of December | Emilian | Saint Emilian Doctor | 484 | |
| 6 of December | Servio | Saint Servio | 484 | |
| 7 of December | Ambrosio | Saint Ambrose of Milan | 340 Italy | 397 Italy |
| 7 of December | Martín | Saint Martín abad | France | France |
| 7 of December | Juan | Saint Juan el Silencioso | Israel | 558 Israel |
| 7 of December | Urbano | Saint Urbano obispo | Italy | Italy |
| 7 of December | Sabino | Saint Sabino | Italy | 300 Italy |
| 7 of December | Anthenodore | Saint Anthenodore | Syrian arab republic | 304 Syrian arab republic |
| 7 of December | Agathon | Saint Agathon | ||
| 7 of December | Teodoro | Saint Teodoro martir | ||
| 7 of December | Eutiquiano | Saint Eutiquiano papa y mártir | 283 Italy | |
| 8 of December | Romarico | Saint Romarico | France | 653 France |
| 8 of December | Eucharius | Saint Eucharius | Belgium | Belgium |
| 8 of December | Patapio | Saint Patapio | ||
| 8 of December | Teobaldo | Saint Teobaldo of Marliaco | France | 1247 France |
| 8 of December | Macario | Saint Macario | Egypt | 250 Egypt |
| 8 of December | José | Blessed José María Zabal Blasco | 1898 Spain | 1936 Spain |
| 8 of December | Constantino | Blessed Constantine Abbot | ||
| 8 of December | Sofronio | Saint Sofronio | ||
| 9 of December | Juan | Saint Juan Diego | 1474 Mexico | 1548 Mexico |
| 9 of December | Bernardo | Blessed Bernard Maria of Silvestrelli | 1831 Italy | 1911 Italy |
| 9 of December | Cyprian | Saint Cyprian | France | France |
| 9 of December | Pedro | Saint Pedro Fourier | France | 1640 France |
| 9 of December | John | Venerable Fulton Sheen | 1895 United States | 1979 United States |
| 10 of December | Eugrafo | Saint Eugrafo | ||
| 10 of December | Gutmaro | Saint Gutmaro | ||
| 10 of December | Gregorio | Saint Gregorio III papa | Italy | 741 Italy |
| 10 of December | Lucas | Saint Lucas obispo | Italy | 1114 Italy |
| 10 of December | Mauro | Saint Mauro | Italy | Italy |
| 10 of December | Gemelo | Saint Gemelo | France | France |
| 10 of December | Gonzalo | Blessed Gonzalo Viñes Masip | Spain | 1936 Spain |
| 10 of December | Juan | Saint Juan Roberts | United kingdom | 1610 United kingdom |
| 10 of December | Antonio | Blessed Antonio Martin Hernandez | Spain | 1936 Spain |
| 10 of December | Agustín | Blessed Agustin Garcia Calvo | Spain | 1936 Spain |
| 10 of December | Edmund | Saint Edmund Gennings | United kingdom | 1591 United kingdom |
| 10 of December | Suintino | Saint Suintino Wells | United kingdom | 1591 United kingdom |
| 10 of December | Poliodoro | Saint Poliodoro Plasden | United kingdom | 1591 United kingdom |
| 10 of December | Eustacio | Saint Eustacio White | United kingdom | 1591 United kingdom |
| 10 of December | Brian | Blessed Brian Lacy | United kingdom | 1591 United kingdom |
| 10 of December | Juan | Blessed John Mason | United kingdom | 1591 United kingdom |
| 10 of December | Sidney | Blessed Sidney Hodgson | United kingdom | 1591 United kingdom |
| 10 of December | Marco | Blessed Marco Antonio Durando | 1801 Italy | 1880 Italy |
| 11 of December | Dámaso | Saint Damasus I Pope | 305 | 384 |
| 11 of December | Victorico | Saint Victorico | ||
| 11 of December | Francisco | Blessed Francesco Lippi | Italy | 1292 Italy |
| 11 of December | Arturo | Blessed Arthur Bell | United kingdom | 1643 United kingdom |
| 11 of December | Jerónimo | Blessed Jerome Ranuzzi | Italy | 1466 Italy |
| 11 of December | Hugolino | Blessed Hugolino Magalotti | Italy | 1373 Italy |
| 11 of December | Daniel | Saint Daniel Stylite | Turkey | 493 Turkey |
| 12 of December | Valarico | Saint Valarico | ||
| 12 of December | Bertolo | Blessed Bertolo Buonpedoni | Italy | 1300 Italy |
| 12 of December | Vicelino | Saint Vicelino | Germany | 1154 Germany |
| 12 of December | Conrado | Blessed Conrado of Ofida | Italy | 1306 Italy |
| 12 of December | Corentinus | Saint Corentinus | France | France |
| 12 of December | Spyridon | Saint Spyridon | Cyprus | 348 Cyprus |
| 12 of December | Israel | Saint Israel | France | 1014 France |