| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 15 of September | Catalina | Saint Catalina Fieschi | 1510 Italy | |
| 16 of September | Cornelio | Saint Cornelius Pope | 252 Italy | |
| 16 of September | Cipriano | Saint Cyprian Bishop | 258 Italy | |
| 17 of September | Columba | Saint Columba of Córdoba | 853 Spain | |
| 17 of September | Cherub | Blessed Cherub Testa | 1479 Italy | |
| 18 of September | Carlos | Blessed Carlos Erana Guruceta | 1884 Spain | 1936 Spain |
| 19 of September | Constancia | Saint Constancia mártir | ||
| 19 of September | Cyriacus | Saint Cyriacus of Buonvicino | 1030 Italy | |
| 19 of September | Charles | Saint Charles Hyon Song-mun | 1846 Korea, republic of | |
| 20 of September | Clicerius | Saint Clicerius bishop | ||
| 21 of September | Cadoc | Saint Cadoc of Lan-Carvan | France | |
| 21 of September | Castor | Saint Castor of Apt | 420 France | |
| 22 of September | Carlos | Blessed Carlos Navarro | 1911 Spain | 1936 Spain |
| 23 of September | Constantius | Saint Constantius of Ancona | Italy | |
| 24 of September | Columba | Blessed Columba Gabriel | Ukraine | 1926 Italy |
| 25 of September | Cleofás | Saint Cleopas desciple | Israel | |
| 25 of September | Cristopher | Saint Cristopher of La Guardia | 1490 Spain | |
| 26 of September | Cosme | Saint Cosmas | Saudi arabia | Turkey |
| 26 of September | Callistratus | Saint Callistratus martyr | ||
| 26 of September | Crescencia | Blessed Crescencia Valls Espí | 1863 Spain | 1936 |
| 27 of September | Caius | Saint Caius of Milan | ||
| 28 of September | Chariton | Saint Chariton of Laura | 350 Israel | |
| 29 of September | Carlos | Blessed Charles of Blois | 1364 France | |
| 3 of October | Cándida | Saint Cándida of Roma | Italy | |
| 3 of October | Cyprian | Saint Cyprian of Toulon | 543 France | |
| 3 of October | Crescencio | Blessed Crescencio García Pobo | 1936 Spain | |
| 5 of October | Caritina | Saint Caritina of Corico | Italy | |
| 10 of October | Cerbonius | Saint Cerbonius of Populonia | 575 Italy | |
| 10 of October | Clarus | Saint Clarus of Nantes | France | |
| 11 of October | Canice | Saint Canice of Ireland | 599 Ireland | |
| 13 of October | Chelidonia | Saint Chelidonia of Abruzzo | Italy | 1152 Italy |
| 14 of October | Calixto | Saint Callixtus I Pope | 155 Italy | 222 Italy |
| 14 of October | Carponius | Saint Carponius martyr | Italy | Italy |
| 17 of October | Contardo | Blessed Contardo Ferrini | 1902 Italy | |
| 19 of October | Charles | Saint Charles Garnier | Canada | 1649 Canada |
| 19 of October | Canute | Saint Canute of Denmark | Denmark | 1086 Denmark |
| 20 of October | Caprasius | Saint Caprasius of Agen | 303 Germany | |
| 20 of October | Cornelius | Saint Cornelius centurion | ||
| 21 of October | Cilina | Saint Cilina of Laon | France | |
| 22 of October | Córdula | Saint Córdula mártir | ||
| 25 of October | Crispin | Saint Crispin of Soissons | Italy | 285 France |
| 25 of October | Crispinian | Saint Crispinian of Soissons | Italy | 285 France |
| 25 of October | Chrysanthus | Saint Chrysanthus of Rome | 253 Italy | |
| 26 of October | Cedda | Saint Cedda of Lastingham | 664 United kingdom | |
| 27 of October | Cristeta | Saint Cristeta of Talavera | Spain | 304 Spain |
| 29 of October | Colman | Saint Colman of Kilmacduagh | 632 Ireland | |
| 29 of October | Cayetano | Blessed Gaetano Errico | 1860 Italy | |
| 30 of October | Claudius | Saint Claudius of Leon | 304 Spain | |
| 31 of October | Cristóbal | Blessed Christopher of Romagna | 1272 France | |
| 1 of November | Cirenia | Saint Cirenia mártir | ||
| 1 of November | Caesarius | Saint Caesarius of Tarracina | Italy | |
| 2 of November | Carterius | Saint Carterius of Sebaste y compañeros | 320 Armenia | |
| 4 of November | Carlos | Saint Charles Borromeo | 1538 Italy | 1584 Italy |
| 6 of November | Cándido | Blessed Candido Alberto | Spain | Spain |
| 6 of November | Carlos | Blessed Carlos Jorge | Spain | Spain |
| 6 of November | Carlos | Blessed Carlos Rafael | Spain | Spain |
| 6 of November | Carmelo | Blessed Carmelo Juan Pérez Rodríguez | Spain | Spain |
| 6 of November | Casta | Blessed Chastity of Jesus | Spain | Spain |
| 6 of November | Catalina | Blessed Catherine Caldes Socias | Spain | Spain |
| 6 of November | Cayetano José | Blessed Cayetano José | Spain | Spain |
| 6 of November | Cecilia | Blessed Cecilia | Spain | Spain |
| 6 of November | Celestino | Blessed Celestino Antonio | Spain | Spain |
| 6 of November | Celestino José | Blessed Celestino José Alonso Villar | Spain | Spain |
| 6 of November | Cipriano | Blessed Cipriano Alguacil Torredenaida | Spain | Spain |
| 6 of November | Cipriano | Blessed Cipriano Polo García | Spain | Spain |
| 6 of November | Cirilo | Blessed Cirilo Pedro | Spain | Spain |
| 6 of November | Claudio | Blessed Claudio Julián García San Roma | Spain | Spain |
| 6 of November | Clemente | Blessed Clemente of the Sacred Hearts | Spain | Spain |
| 6 of November | Conrado | Blessed Conrado Rodríguez Gutiérrez | Spain | Spain |
| 6 of November | Constancio | Blessed Constance of Saint Joseph | Spain | Spain |
| 6 of November | Constantino | Blessed Constantino Malumbres Francés | Spain | Spain |
| 6 of November | Crisóstomo | Blessed Crisóstomo | Spain | Spain |
| 6 of November | Cristóbal | Blessed Cristóbal Iturriaga-Echevarría | Spain | Spain |
| 6 of November | Cruz | Blessed Cruz Laplana y Laguna | Spain | Spain |
| 6 of November | Cristina | Blessed Christina of Stommeln | 1321 Germany | |
| 7 of November | Cungar | Saint Cungar of Congresbury | France | United kingdom |
| 8 of November | Clarus | Saint Clarus of Tours | 397 France | |
| 9 of November | Carmen | Blessed Carmen of the Child Jesus | 1834 Spain | 1899 Spain |
| 11 of November | Christian | Saint Christian, monk and martyr | ||
| 12 of November | Cunibert | Saint Cunibert of Cologne | 663 Germany | |
| 13 of November | Callistus | Saint Callistus Caravario | 1903 Italy | 1930 China |
| 15 of November | Cayo | Blessed Caius of Korea | 1627 Japan | |
| 18 of November | Carolina | Blessed Caroline Kozka | 1898 Poland | 1914 Poland |
| 22 of November | Cecilia | Saint Cecilia of Rome | Italy | 180 Italy |
| 22 of November | Cristóbal | Blessed Christopher Robinson | 1565 United kingdom | 1598 United kingdom |
| 23 of November | Clement | Saint Clement I pope | Greece | 97 Greece |
| 23 of November | Columban | Saint Columban | Ireland | 615 Ireland |
| 23 of November | Clemens | Saint Clemens bishop | Belgium | |
| 23 of November | Cecilia | Saint Cecilia Yu So-sa | Korea, republic of | 1839 Korea, republic of |
| 24 of November | Colman | Saint Colman of Uama | 600 Ireland | |
| 24 of November | Chrysogonus | Saint Chrysogonus of Aquileia | 304 Italy | |
| 24 of November | Crescentian | Saint Crescentian martyr | ||
| 25 of November | Catalina | Saint Catherine of Alexandria | Egypt | Egypt |
| 26 of November | Cayetana | Blessed Gaetana Sterni | Italy | 1889 Italy |
| 26 of November | Conrad | Saint Conrad | Germany | 975 Germany |
| 28 of November | Catalina | Saint Catherine Laboure | 1806 France | 1876 France |
| 28 of November | Crescentius | Saint Crescentian | ||
| 30 of November | Cuthbert | Saint Cuthbert Mayne | United kingdom | 1577 United kingdom |
| 30 of November | Constance | Saint Constance | ||
| 1 of December | Castritian | Saint Castritian | Italy | Italy |