| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 28 of October | Salvio | Saint Salvio of Amiens | 625 France | |
| 28 of October | Salvador | Blessed Salvador Damián Enguix Garés | 1936 Spain | |
| 30 of October | Serapión | Saint Serapión of Antioquía | 211 Turkey | |
| 1 of November | Santos | Solemnity of All Saints | ||
| 1 of November | Severino | Saint Severino of Tívoli | Italy | |
| 3 of November | Silvia | Saint Silvia of Sicilia | 515 Italy | 592 Italy |
| 3 of November | Simon | Blessed Simon Ballachi | 1250 Italy | 1319 Italy |
| 3 of November | Simon | Blessed Simon Balachi | 1319 Italy | |
| 6 of November | Severo | Saint Severus of Barcelona | Spain | 633 Spain |
| 6 of November | Sabino | Blessed Sabino Ayastuy Errasti | Spain | Spain |
| 6 of November | Sabino | Blessed Sabino Hernández Laso | Spain | Spain |
| 6 of November | Sabino | Blessed Sabino Rodrigo Fierro | Spain | Spain |
| 6 of November | Salvador | Blessed Salvador Fernández Pérez | Spain | Spain |
| 6 of November | Samuel | Blessed Samuel Pajares García | Spain | Spain |
| 6 of November | Santiago | Blessed Santiago | Spain | Spain |
| 6 of November | Santiago | Blessed Santiago de Jesus | Spain | Spain |
| 6 of November | Santiago | Blessed Santiago Franco Mayo | Spain | Spain |
| 6 of November | Santiago María | Blessed Santiago María | Spain | Spain |
| 6 of November | Santiago | Blessed Santiago Mate Calzada | Spain | Spain |
| 6 of November | Santos | Blessed Saints | Spain | Spain |
| 6 of November | Saturnino | Blessed Saturnino Ortega Montealegre | Spain | Spain |
| 6 of November | Saturnino | Blessed Saturnino Río Rojo | Spain | Spain |
| 6 of November | Segundo | Blessed Segundo de Santa Teresa | Spain | Spain |
| 6 of November | Senén | Blessed Senén García González | Spain | Spain |
| 6 of November | Severino | Blessed Severino Montes Fernández | Spain | Spain |
| 6 of November | Salvio | Blessed Salvio Gómez Gutierrez | 1884 Spain | 1936 Spain |
| 6 of November | Simò | Blessed Simò Reynes Solivellas | Spain | Spain |
| 6 of November | Simon | Blessed Simon Miguel Rodríguez | Spain | Spain |
| 6 of November | Sinforosa | Blessed Sinforosa de la Sagrada Familia | Spain | Spain |
| 6 of November | Sulpicia | Blessed Sulpicia del Buen Pastor | Spain | Spain |
| 6 of November | Stephen | Saint Stephen of Apt | 1046 France | |
| 9 of November | Sopatra | Saint Sopatra of Constantinopla | Turkey | |
| 14 of November | Serapión | Saint Serapión | United kingdom | 1240 Algeria |
| 14 of November | Stephen | Saint Stephen Theodore Cuénot | 1861 Viet nam | |
| 14 of November | Siardo | Saint Siardo of Mariëngaarde | 1230 Germany | |
| 15 of November | Samonas | Saint Samonas of Edesa | ||
| 15 of November | Sidonio | Saint Sidonio of Rouen | 684 France | |
| 16 of November | Simeon | Blessed Simeon of Cava | 1141 Italy | |
| 17 of November | Salomé | Blessed Salome of Crakow | 1268 Poland | |
| 19 of November | Simón | Saint Simón | Italy | |
| 20 of November | Solútor | Saint Solútor of Turín | Italy | 286 Italy |
| 22 of November | Salvatore | Blessed Salvatore Lillo | 1853 Italy | 1895 Italy |
| 23 of November | Sisinio | Saint Sisinio | Italy | 325 Italy |
| 23 of November | Severino | Saint Severino recluso | France | France |
| 25 of November | Santiago | Blessed Santiago Meseguer Burillo | Spain | 1936 Spain |
| 26 of November | Silvestre | Saint Sylvester Gozzolini | Italy | 1267 Italy |
| 26 of November | Stylianus | Saint Stylianus | ||
| 26 of November | Siricio | Saint Siricio papa | Italy | 399 Italy |
| 27 of November | Sifrido | Saint Sifrido of Carpentras | 540 France | |
| 27 of November | Simeón | Saint Simeón Metafraste | ||
| 27 of November | Saturnino | Saint Saturnino | ||
| 28 of November | Sóstenes | Saint Sóstenes | ||
| 29 of November | Saturnino | Saint Saturninus of Tolosa | France | 250 France |
| 29 of November | Saturnino | Saint Saturnino of Cartago | 257 | |
| 2 of December | Seguro | Saint Seguro | ||
| 2 of December | Silverio | Saint Silverio papa | Italy | 537 Italy |
| 3 of December | Sofonías | Saint Sofonías | Israel | Israel |
| 4 of December | Sola | Saint Sola | Germany | 794 Germany |
| 4 of December | Sigiramnio | Saint Sigiramnio | France | France |
| 4 of December | Simon | Blessed Simon Yempo | 1623 Japan | |
| 5 of December | Sabas | Saint Sabbas | 439 Turkey | 532 Turkey |
| 6 of December | Servio | Saint Servio | 484 | |
| 7 of December | Sabino | Saint Sabino | Italy | 300 Italy |
| 8 of December | Sofronio | Saint Sofronio | ||
| 10 of December | Suintino | Saint Suintino Wells | United kingdom | 1591 United kingdom |
| 10 of December | Sidney | Blessed Sidney Hodgson | United kingdom | 1591 United kingdom |
| 12 of December | Spyridon | Saint Spyridon | Cyprus | 348 Cyprus |
| 12 of December | Simón | Saint Simón Phan Dác Hòa | China | 1840 China |
| 12 of December | Santiago | Blessed Santiago of Viterbo | ||
| 16 of December | Sebastian | Blessed Sebastian Maggi | Italy | 1496 Italy |
| 17 of December | Sturmius | Saint Sturmius | 779 | |
| 21 of December | Severino | Saint Severino obispo | ||
| 23 of December | Sérvulo | Saint Sérvulo | 590 Italy | |
| 26 of December | Secondo | Blessed Secondo Pollo | 1908 Italy | 1941 Croatia (Hrvatska) |
| 30 of December | Santiago | Translation of James Apostle | ||
| 31 of December | Silvestre | Saint Sylvester I Pope | 335 |