E
| E of Evansville, Indiana, USA | Mary, Mother of God |
| Earthquakes | Emygdius, Francis Borgia, Gregory the Wonderworker |
| East Indies | Francis Xavier, Thomas, Apostle |
| East Renfrewshire, Scotland | Conval |
| Ecologists, ecology | Francis of Assisi |
| Ecuador | Sacred Heart, Mary, The Most Pure Heart of Mary |
| Ecuadorian army | Our Lady of Mercy |
| Ecumenists, unity of the Eastern and Western Churches | Cyril and Methodius |
| Eczema | Antony the Abbot |
| Edinburgh, Scotland | Giles |
| Editors | John Bosco, Francis de Sales |
| Education, public | Martin de Porres |
| Egypt | Mark |
| Einsiedeln, Switzerland | Meinrad |
| El Salvador | Our Lady of Peace |
| Elderly people | Anthony of Padua |
| Eloquence, sacred | John Chrysostom |
| Embroiderers | Clare, Parasceva |
| Emigrants | Frances Xavier Cabrini |
| Empresses | Adelaide, Helena, Pulcheria |
| Enemies of religion | Sebastian |
| Engineers | Ferdinand III of Castile, Joseph, Patrick, Ferdinand III |
| Engineers, Italian | Benedict, Abbot |
| Engineers, military, Italian | Barbara |
| Engineers, Spanish army | Ferdinand III of Castile |
| England | George, Michael the Archangel |
| English Benedictines | Benedict Biscop |
| Engravers | John the Apostle, Thiemo |
| Enlightenment | Holy Spirit, Our Lady of Good Counsel |
| Eparchy of Our Lady of Lebanon of Los Angeles for Maronites | Our Lady of Lebanon |
| Eparchy of Saint Maron of Brooklyn for the Maronites | Maron |
| Epidemics | Godeberta |
| Epilepsy | Dymphna, Vitus, Willibrord |
| Equatorial Guinea | Immaculate Conception of Mary |
| Erysipelas | Anthony the Abbott, Benedict, Ida of Nivelles |
| Escape from devils | Margaret (or Marina) of Antioch |
| Estremadura, Spain | Peter of Alcantara, Virgin of Guadalupe |
| Ethiopia | Frumentius |
| Eucharist, The | Paschal Baylon |
| Eucharistic congresses and organizations | Paschal Baylon |
| Eucharistic Guilds | Paschal Baylon |
| Europe | Benedict, Abbot, Cyril and Methodius |
| Evangelists | Paul, Apostle |
| Examination candidates | Joseph of Cupertino |
| Excluded people | Patrick |
| Exegetes, scriptural | Jerome |
| Exeter College, Oxford | Blessed Virgin Mary, Peter the Apostle, Thomas of Canterbury |
| Exiles, people in exile | Adelaide, Angela Truszkowska, Arthelais, Clotilde, Epipodius, Jeanne Marie de Maille, Joaquina Vedruna de Mas, Kateri Tekakwitha, Margaret (or Marina) of Antioch, Rose of Viterbo |
| Expectant Mothers | Gerard Majella, Raymond Nonnatus |
| Expeditious or prompt solutions; against procrastination | Expeditus |
| Eye disorders | Herve, Clare, Lucy, Raphael the Archangel |