| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 25 of October | Daría | Saint Daría of Roma | 253 Italy | |
| 6 of December | Dativa | Saint Dativa | 484 | |
| 30 of January | David | Saint David Galván | 1915 Mexico | |
| 12 of April | David | Saint David Uribe | Mexico | |
| 27 of August | David | Saint David Lewis | 1616 United kingdom | 1679 United kingdom |
| 21 of June | Demetria | Saint Demetria of Roma | 363 Italy | |
| 9 of April | Demetrius | Saint Demetrius of Thessaloniki | Hungary | |
| 29 of November | Demetrius | Saint Demetrius | ||
| 23 of May | Desiderio | Saint Desiderius of Langres | 355 France | |
| 26 of May | Desiderius | Saint Desiderius of Vienne | France | France |
| 9 of October | Deusdedit | Saint Deusdeditus of Montecasino | 834 Italy | |
| 27 of January | Devota | Saint Devota | 300 France | |
| 26 of November | Didius | Saint Didius | ||
| 2 of April | Diego Luis | Saint Diego Luis of San Vitores | 1672 Guam | |
| 12 of August | Digna | Saint Digna of Augsburgo | 304 Germany | |
| 14 of June | Digna | Saint Digna of Cordoba | Spain | 853 Spain |
| 30 of May | Dimpna | Saint Dinfna | Netherlands | |
| 9 of June | Diomedes | Saint Diomedes of Nicea | Turkey | |
| 6 of December | Dionisia | Saints Dionisia y compañeros | 484 | |
| 9 of October | Dionisio | Saint Denis of Paris and companions | France | |
| 25 of May | Dionysius | Saint Dionysius of Milán | Italy | 361 Armenia |
| 25 of May | Dionysus | Saint Dionysus Ssebuggwawo | Uganda | 1886 Uganda |
| 10 of May | Dioscorides | Saint Dioscorides of Smyrna | Italy | |
| 18 of May | Dioscorus | Saint Dioscorus of Alexandria | 303 Egypt | |
| 14 of December | Dioscorus | Saint Dioscorus | Egypt | 250 Egypt |
| 26 of November | Domingo | Saint Domingo Nguyen Van Xuyên | Viet nam | 1839 Viet nam |
| 22 of May | Domingo | Saint Domingo Ngon | Viet nam | 1862 Viet nam |
| 11 of March | Domingo | Saint Domingo Câm | 1859 China | |
| 2 of April | Domingo | Saint Domingo Tuoc | 1839 Viet nam | |
| 18 of September | Domingo | Saint Domingo Trach | 1840 Viet nam | |
| 5 of November | Domingo | Saint Domingo Mau | 1858 Viet nam | |
| 2 of June | Domingo | Saint Domingo Ninh | Viet nam | 1862 Viet nam |
| 18 of July | Domingo | Saint Domingo Nicolás Dinh Dat | 1859 Viet nam | |
| 6 of July | Dominica | Saint Dominica of Tropea | Italy | |
| 12 of May | Domitila | Saint Domitila of Roma | Italy | Italy |
| 7 of May | Domitila | Saint Domitila y compañeros | Italy | Italy |
| 12 of October | Domnina | Saint Domnina of Anazarbe | 301 Turkey | |
| 5 of November | Domnino | Saint Domnino of Cesarea | Israel | 307 Israel |
| 30 of March | Domninus | Saint Domninus | Macedonia, the former yugoslav republic of | |
| 11 of April | Domnius | Saint Domnius of Salona | 299 Croatia (Hrvatska) | |
| 9 of October | Domnunus | Saint Domninus of Fidenza | Italy | |
| 19 of September | Donmedonte | Saint Dorimedonte mártir | ||
| 17 of April | Donnan | Saint Donnan abbot and companions | 617 United kingdom | |
| 6 of February | Dorotea | Saint Dorotea of Capadocia | Turkey | |
| 5 of June | Dorotheus | Saint Dorotheus of Tyre | 255 Lebanon | 362 Bulgaria |
| 20 of September | Dorymedon | Saint Dorymedon of Synnada | Turkey | |
| 14 of December | Dróside | Saint Dróside | Syrian arab republic | Syrian arab republic |
| 25 of March | Dula | Saint Dula | Turkey | |
| 15 of May | Dympna | Saint Dympna | Ireland | Belgium |
| 9 of August | Edith | Saint Edith Stein (Sister Teresa Benedicta of the Cross) | 1891 Germany | 1942 Poland |
| 10 of December | Edmund | Saint Edmund Gennings | United kingdom | 1591 United kingdom |
| 28 of August | Edmund | Saint Edmund Arrowsmith | 1585 United kingdom | 1628 United kingdom |
| 1 of December | Edmund Campion | Saint Edmund Campion | United kingdom | 1581 United kingdom |
| 20 of November | Edmundo | Saint Edmund King | 841 United kingdom | 870 United kingdom |
| 10 of September | Edward | Saint Edward Barlow | 1641 United kingdom | |
| 31 of July | Elena | Saint Elena of Suecia | 1160 Sweden | |
| 4 of August | Eleutherius | Saint Eleutherius of Tarsia | Turkey | |
| 2 of October | Eleutherius | Saint Eleutherius of Nicomedia | Turkey | |
| 14 of December | Elias | Saint Elias | Israel | 309 Israel |
| 16 of October | Eliphius | Saint Eliphius of Toul | France | |
| 18 of April | Elpidius | Saint Elpidius | Armenia | |
| 23 of January | Emerenciana | Saint Emerenciana | Italy | |
| 22 of September | Emérita | Saint Emérita of Roma | Italy | |
| 5 of August | Emigdio | Saint Emigdio of Áscoli | Italy | |
| 6 of December | Emilian | Saint Emilian Doctor | 484 | |
| 18 of July | Emilian | Saint Emilian of Dorostoro | 362 Italy | |
| 22 of September | Emmeram | Saint Emmeram of Ratisbona | 690 Germany | |
| 14 of May | Enedina | Saint Enedina of Cerdeña | 130 France | |
| 25 of October | Engracia | Saint Engracia of Segovia | Spain | 715 Spain |
| 16 of April | Engracia | Saint Engratia | Portugal | Spain |
| 5 of June | Eoban | Saints Eoban y compañeros | 754 Netherlands | |
| 10 of May | Epimachus | Saint Epimachus martyr | ||
| 31 of October | Epimachus | Saint Epimachus of Pelusio | 250 Egypt | |
| 12 of December | Epimachus | Saint Epimachus and companions | Egypt | 250 Egypt |
| 22 of April | Epipodius | Saint Epipodius of Lyon and companions | 178 France | |
| 25 of November | Erasmus | Saint Erasmus | ||
| 2 of June | Erasmus | Saint Erasmus of Formiae | 303 Italy | |
| 18 of May | Eric | Saint Eric IX | Sweden | 1161 Sweden |
| 11 of April | Estanislao | Saint Stanislaus | 1030 Poland | 1079 Poland |
| 28 of November | Esteban | Saint Stephen the Young | 714 Turkey | 764 Turkey |
| 26 of December | Esteban | Saint Stephen | Israel | Israel |
| 24 of July | Estercacio | Saint Estercacio of Mérida | Spain | 303 Spain |
| 7 of March | Eubulus | Saint Eubulus | 309 Israel | |
| 25 of September | Eucarpus | Saint Eucarpus martyr | ||
| 16 of September | Eufemia | Saint Eufemia of Calcedonia | 303 Turkey | |
| 25 of December | Eugenia | Saint Eugenia | ||
| 15 of November | Eugenio | Saint Eugene of Toledo | Spain | 657 Spain |
| 20 of December | Eugenio | Saint Eugenio sacerdote y mártir | ||
| 10 of December | Eugrafo | Saint Eugrafo | ||
| 12 of February | Eulalia | Saint Eulalia of Barcelona | 290 Spain | 304 Spain |
| 10 of December | Eulalia | Saint Eulalia of Mérida | Spain | 304 Spain |
| 10 of October | Eulampia | Saint Eulampia of Nicomedia | Turkey | 310 Turkey |
| 10 of October | Eulampio | Saint Eulampio of Nicomedia | Turkey | 310 Turkey |
| 9 of January | Eulogio | Saint Eulogius of Córdoba | 800 Spain | 859 Spain |
| 27 of February | Euno | Saint Euno of Alejandría | Egypt | |
| 12 of August | Eunomia | Saint Eunomia of Augsburgo | 304 Germany | |
| 12 of August | Euplo | Saint Euplo of Catania | 304 Italy | |
| 30 of November | Euprepes | Saint Euprepes | ||
| 12 of August | Euprepia | Saint Euprepia of Augsburgo | 304 Germany | |
| 9 of April | Eupsiquio | Saint Eupsiquio | 362 Turkey |