| Date | Saints and feasts | Name days |
|---|
| April 1 | Mary of Egypt, Makarios of Pelekete, Gerontios and Basilides, Hermes and Theodora and 3 more | Maria, Mary, Maro, Marianna, Marika, Mariam, Marie |
| April 2 | Titus the Wonderworker, Amphianus and Edesius of Lycia, Polycarp of Alexandria, Theodora of Tyre and 2 more | Titus, Titos |
| April 3 | Nicetas the Confessor, Joseph the Hymnographer, Elpidephoros, Dius, Bithonius and Galycus, Illyrios of Mount Myrsinon and 2 more | Nikitas, Nicetas, Elpidoforos, Elpidophoros, Elpidiforos |
| April 4 | Titos, Claudia, Zosimas of Palestine, Pherbutha of Persia and 4 more | Titos, Tito, Tite, Titus, Claudia, Klavdia, Zosimas, Zosimos, Zosima |
| April 5 | Theodoulos, Claudius, Diodorus, Victor, Victorinus, Pappias, Serapion and Nicephorus, Theodora and Didymus of Alexandria, Argyre the New Martyr and 3 more | Theodoulos, Argyris, Argyrios, Argiris, Argyro, Argiro, Argyri, Argyre, Argyroula |
| April 6 | Eutychios, Gregory of Sinai, Platonis of Nisibis, 120 Martyrs of Persia and 3 more | Eutychios, Eftihos |
| April 7 | George of Mytilene, Kalliopios the Martyr, Rufinus, Aquilina and the 200 Soldiers of Sinope, Tikhon of Moscow and 2 more | George, Georgios, Yiorgos, Kalliopios, Calliopius |
| April 8 | Kalliope, Agabus, Rufus, Phlegon and Asyncritus, Celestine of Rome, Pausilypos of Heraclea and 3 more | Kalliope, Kalliopi, Calliope, Callie, Agabus, Rufus |
| April 9 | Eudemos, Raphael, Nicholas and Irene of Lesbos, Eupsychios of Caesarea, Bademus of Persia and 2 more | Eudemos, Rafail, Raphael, Rafael, Rafaella, Rafaela, Raffaella, Efpsychios, Eupsychius, Vadim and 2 more |
| April 10 | Terence, Gregory V of Constantinople, Huldah the Prophetess, James the Presbyter and Azas the Deacon and 3 more | Terence, Terentios, Huldah, Olda, Miltiadis, Miltiades, Miltos |
| April 11 | Antipas of Pergamon, Tryphaena and Matrona, Pharmuthios the Anchorite, George of the Chrysostom Monastery and 3 more | Antipas, Andipas |
| April 12 | Basil of Parion, Anthusa of Constantinople, Artemon of Laodicea, Akakios of Kavsokalyvia and 3 more | Vasilis, Basil, Anthousa, Anthusa, Anthoula, Artemon |
| April 13 | Martin the Confessor, Zoilos the Roman, Quintilian, Maximus and Dadas, Eleutherios the Persian and 1 more | Martinos, Martin |
| April 14 | Martin the Confessor, Pope of Rome, Thomais of Alexandria, Ardalion the Actor, Demetrios the Peloponnesian and 3 more | Martin, Martinos, Thomais, Thomai |
| April 15 | Apostles Aristarchus, Pudens & Trophimus, Leonides of Athens, Crescens of Myra, Anastasia and Basilissa of Rome and 3 more | Aristarchus, Trophimos, Leonidas, Leonides, Leonidis |
| April 16 | Irene, Agape & Chionia, Chariessa, Nike, Galene and the Women Martyrs of Corinth, Michael of Vourla, Amphilochios of Patmos and 2 more | Irene, Irini, Eirini, Rena, Galini, Galene, Galina, Chariessa |
| April 17 | Ariadne, Simeon of Persia and those with him, Adrian of Corinth, Makarios of Corinth and 3 more | Ariadne, Ariadni, Makarios, Macarius |
| April 18 | Cosmas, Bishop of Chalcedon, John the Hesychast, Athanasia of Aegina, John the Tailor of Ioannina and 3 more | Cosmas, Kosmas, Athanasia, Athanassia, Nasia, Athanasoula |
| April 19 | John of the Ladder, Paphnutius of Jerusalem, Theodore of Perge and those with him, Agathangelos of Esphigmenou and 3 more | Ioannis, Giannis, Yiannis, John |
| April 20 | Theodore Trichinas, Zacchaeus the Apostle, Athanasios of Meteora, Martyrs of Nicomedia converted by Saint George and 3 more | Theodore, Theodoros, Thodoris, Zacchaeus, Zakchaios |
| April 21 | Anastasios of Antioch, Januarius of Benevento and his companions, Alexandra the Empress, Maximian of Constantinople and 1 more | Tasos, Tassos, Anastasios, Anastasius, Alexandra, Alexa |
| April 22 | Theodore Sykeon, Nathanael the Apostle, Nearchos the Martyr, Gaius of Rome and 2 more | Theodoros, Theodoris, Ted, Theodore, Nathanael, Nathanail, Nathaniel, Nearchos, Nearchus, Nearhos |
| April 23 | George the Great Martyr, Glykerios the Farmer, Anatolios and Protoleon, Athanasios the Magician and 3 more | Georgios, Giorgos, Yiorgos, George, Jordi, Jiri, György, Giorgio, Yorgos, Giorgis and 8 more |
| April 24 | Elizabeth, Simeon Stylites the Younger, Sabbas Stratelates, Xenophon of Athos and 4 more | Elizabeth, Elisavet, Elisa, Elise, Liza, Lisa, Beth, Bette, Simeon |
| April 25 | Mark the Evangelist, Nike the Martyr, Macedonius II of Constantinople, Anianus of Alexandria and 2 more | Markos, Markis, Marc, Marco, Mark, Niki, Nike, Nicky |
| April 26 | Basil of Amaseia, Glaphyra the Virgin, Stephen of Perm, Leo of Samos and 2 more | Vasilis, Basil, Glafyra, Glaphyra, Glafira, Tamara, Tamar |
| April 27 | Simeon, Bishop of Jerusalem, John of Kathares, Poplion the Martyr, Eulogius the Hospitable and 2 more | Simeon, Symeon |
| April 28 | Apostles Jason & Sosipater, Memnon the Wonderworker, Cyril of Turov, Auxibius the Venerable and 1 more | Jason, Iason, Sosipater |
| April 29 | Nine Martyrs of Cyzicus, Kerkyra the Martyr, John Kaloktenis of Thebes, Eusebius, Zeno, Vitalius and Neon and 3 more | Kerkyra, Kerkira, Corcyra |
| April 30 | James the Apostle, Son of Zebedee, Donatus of Euroea, Clement the Hymnographer, Maximus of Ephesus and 2 more | James, Iakovos, Jacob, Donatos, Donatus |