18 April
32 commemorations of 18 April in the fixed calendar of the Church, the Menaion. Churches on the Old Calendar keep this day on 1 May of the civil calendar.
Saints
- Martyrs Victor, Zoticus, Zeno, Acindynus, and Severian, of Nicomedia (c. 303)orthochristian.com · oca.org · holytrinityorthodox.com · pravoslavie.ru
- Martyr Sabbas the Goth (Sabbas Stratelates), at Buzau in Wallachia (372)Ὁ Ἅγιος Σάββας ὁ Στρατηλάτηςsynaxarion.gr · ecclesia.gr · pravoslavie.ru
- Saint Acacius II, Bishop of Melitene (445)Ὁ Ἅγιος Ἀκάκιος Β’ Ἐπίσκοπος Μελιτηνὴςsynaxarion.gr · ecclesia.gr
- Saint Cosmas, Bishop of Chalcedon, and his fellow-ascetic St. Auxentius (815-820)Ὁ Ἅγιος Κοσμᾶς ὁ Ὁμολογητής Ἐπίσκοπος Χαλκηδόνοςsynaxarion.gr · oca.org · ecclesia.gr · pravoslavie.ru
- Venerable John the Righteous (John the Hesychast), disciple of St. Gregory of Decapolis (c. 820-850)Ὁ Ὅσιος Ἰωάννης ὁ Ἡσυχαστήςsynaxarion.gr · oca.org · ecclesia.gr · pravoslavie.ru
- Venerable Naucratius, Abbot of the Studion (848)Ὁ Ὅσιος Ναυκράτιος ὁ Ὁμολογητής ὁ Στουδίτηςsynaxarion.gr · ecclesia.gr · pravoslavie.ru
- Venerable Athanasia the Wonderworker, Abbess, of Aegina (850)Ἡ Ὁσία Ἀθανασία ἡ Θαυματουργός ἐξ Αἰγίνηςsynaxarion.gr · ecclesia.gr · pravoslavie.ru
- Venerable Matthew (Matthias), acquaintance of St. Athanasia the Wonderworker (c. 850)Ὁ Ὅσιος Ματθαῖος (ἢ Ματθίας)synaxarion.gr
- Venerable Euthymius the WonderworkerὉ Ὅσιος Εὐθύμιος ὁ Θαυματουργόςsynaxarion.gr · ecclesia.gr
Orthodox saints after the Schism
- Venerable Basil (Ratishvili) the Georgian, Wonderworker, of Iveron Monastery, Mt. Athos (13th century)Ὁ Ὅσιος Βασίλειος ὁ Θαυματουργός ἐκ Γεωργίαςsynaxarion.gr · oca.org · pravoslavie.ru
- Venerable Euthymius the Enlightener of Karelia (1435), and righteous laymen Anthony and Felix of KareliaὉ Ὅσιος Εὐθύμιος ὁ Φωτιστὴς τῆς Καρελίαςsynaxarion.gr · oca.org · pravoslavie.ru
- New Martyr John the Tailor, of Ioannina, at Constantinople (1526)Ὁ Ἅγιος Ἰωάννης ὁ Νεομάρτυρας ὁ Ράπτης ἐξ Ἰωαννίνωνsynaxarion.gr · oca.org · ecclesia.gr · pravoslavie.ru
- Venerable new martyr John (Koulikas) (1564)Ὁ Ἅγιος Ἰωάννης ὁ Ὁσιομάρτυρας ὁ Κουλικᾶςsynaxarion.gr
- Martyr Tunom, Arab Emir who confessed Christ on seeing the Holy Fire in Jerusalem (1579)pravoslavie.ru
- Hieromartyr Cyril VI of Constantinople, Ecumenical Patriarch of Constantinople (1821)Ὁ Ἅγιος Κύριλλος ὁ ΣΤ’ ὁ Ἱερομάρτυραςsynaxarion.gr
New martyrs and confessors
- New Hieromartyr Bessarion Selinin, Priest (1918)calendar.rop.ru · holytrinityorthodox.com
- New Hieromartyr Alexis Krontenkov, Priest, of Ekaterinburg (1930)pravoslavie.ru
- New Hieromartyrs Nicholas (1937) and Basil Derzhavin (1930), Priests, and martyred lay people of the city of Gorodets, Nizhni-Novgorodholytrinityorthodox.com · pravoslavie.ru
- New Martyr Tamara (Satsi), Abbess, of Cheboksara (Chuvashia) (1942)holytrinityorthodox.com · pravoslavie.ru
Saints of the West before the Schism
Saints of the Latin West before the Schism of 1054. The Orthodox Church honours the saints of the undivided Church, though few of these are in the Greek or Slavic Menaia; this list follows the calendars kept by the Orthodox in the West.
- Saint Eleutherius, Bishop of Illyria, his mother Anthia, and eleven others, martyred in Illyria under Hadrian (c. 117-138)orthodoxengland.org.uk
- Martyr Corebus, a prefect of Messina in Sicily, converted to Christ by St Eleutherius and martyred under the Emperor Hadrian (c. 117-138)orthodoxengland.org.uk
- Martyr Calocerus, an officer of the Emperor Hadrian martyred in Brescia in Italy (c. 117-138)orthodoxengland.org.uk
- Saint Apollonius the Apologist, a Roman senator, denounced as a Christian by one of his own slaves and condemned to be beheaded (c. 190)orthodoxengland.org.uk
- Saints Bitheus and Genocus, two monks from Britain who accompanied St Finian of Clonard to Ireland (6th century)Stanton, Menology of England and Wales · orthodoxengland.org.uk
- Saint Laserian (Molaisse), founder of the monastery and bishopric of Leighlin in Ireland (639)orthodoxengland.org.uk
- Saint Deicola (Dicul), born in Ireland, he preached Christ in England in Norfolk and in Sussex (late 7th century)orthodoxengland.org.uk
- Saint Agia (Aia, Aya, Austregildis, Aye), wife of St Hidulf of Hainault in Belgium, monastic at the convent of Mons (c. 714)orthodoxengland.org.uk
- Saint Wicterp (Wiho, Wicho), Abbot of Ellwangen Abbey in Germany, later became the tenth Bishop of Augsburg (749)orthodoxengland.org.uk
- Saint Cogitosus, a monk at Kildare in Ireland who probably wrote the Life of St Brigid (8th century)orthodoxengland.org.uk
- Saint Perfectus, a priest in Cordoba in Spain, martyred by Muslims on Easter Sunday (851)orthodoxengland.org.uk · pravoslavie.ru
Other commemorations
Glorifications, translations of relics, wonderworking icons, and monks and elders remembered on the day, not all of whom are canonized.
- Icon of the Most Holy Theotokos "Glykophilousa" ("Sweet-kissing")pravoslavie.ru
- Icon of the Mother of God of St Maximus (Maximovsk Icon) (1299)Σύναξις Ὑπεραγίας Θεοτόκου τοῦ Μαξίμουsynaxarion.gr · oca.org · holytrinityorthodox.com · pravoslavie.ru
The list is April 18 (Eastern Orthodox liturgics), read on 2026-09-25 and adapted under CC BY-SA 4.0: its sections and years, the Greek headings of the Great Synaxaristes where it cites them, and beside each line the sources it names. Names in bold are the saints the day is named for in Greek usage, checked against the Church of Cyprus.