18 May
30 commemorations of 18 May in the fixed calendar of the Church, the Menaion. Churches on the Old Calendar keep this day on 31 May of the civil calendar.
Saints
- Martyrs Peter of Lampsacus, Andrew, Paul, Dionysius, and Christina, at Euridinos, under Decius (c. 249 - 251)Οἱ Ἅγιοι Πέτρος, Διονύσιος, Ἀνδρέας, Παῦλος, Χριστίνα, Ἡράκλειος, Παυλίνος καὶ Βενέδιμος οἱ Μάρτυρεςorthochristian.com · synaxarion.gr · pravoslavie.ru
- Martyrs Heraclius, Paulinus, and Benedimus of Athens (250)pravenc.ru · pravoslavie.ru
- Martyr Euphrasia of Nicaea (c. 303)Ἡ Ἁγία Εὐφρασία ἡ Μάρτυςsynaxarion.gr · pravoslavie.ru
- Martyr GalactiaἩ Ἁγία Γαλακτία ἡ Μάρτυςsynaxarion.gr
- Martyr Julian, by being dragged through thornsὉ Ἅγιος Ἰουλιανὸς ὁ Μάρτυραςsynaxarion.gr
- Martyr Theodotus of Ancyra, and with him seven virgin-martyrs
- Alexandra, Tecusa, Claudia, Phaine (Thaïna), Euphrasia, Matrona, and Julia (304)
- Martyr Dioscorus, in Cynopolis of Egypt (305)Ὁ Ἅγιος Διόσκορος ὁ Μάρτυραςsynaxarion.gr · Roman Martyrology
- Martyrs Symeon, Isaac, and Bachtisius of Persia (339)pravoslavie.ru
- Hieromartyr Potamon (Palæmon), Bishop of Heraclea in Egypt, and Confessor (340)Ὁ Ἅγιος Ποταμὼν ὁ Ἱερομάρτυρας Ἐπίσκοπος Ἡρακλείαςsynaxarion.gr · Roman Martyrology · bartleby.com · pravoslavie.ru
- The holy clergy and lay martyrs massacred under Emperor Valens (364–378)Οἱ Ἅγιοι κληρικοὶ καὶ λαϊκοί Μάρτυρες οἱ ἀναιρεθέντες ὑπὸ τὸν αὐτοκράτορα Οὐάληsynaxarion.gr
- Martyrs David and Tarechan, of Georgia (693)Οἱ Ἅγιοι Δαβὶδ καὶ Ταριχάνι οἱ Μάρτυρεςsynaxarion.gr · pravoslavie.ru
- Patriarch Stephen the New of Constantinople (893)Ὁ Ἅγιος Στέφανος Πατριάρχης Κωνσταντινουπόλεωςsynaxarion.gr · pravoslavie.ru
- Saint Anastaso (Anastasia) of Leukadion (or Laucation), near the Bithinian sea-shoreἩ Ὁσία Ἀναστασὼ ἡ ἐν τοῖς Λευκαδίουsynaxarion.gr · pravoslavie.ru
- Saint Martinian of Areovinthus (Areobindus, Areovinchus), monk of the church of the Theotokos of the Areovinthus quarter, ConstantinopleὉ Ὅσιος Μαρτινιανὸς ὁ ἐν τοῖς Ἀρεοβίνθουsynaxarion.gr · pravoslavie.ru
- Hosios Stephanos the ChorabyteὉ Ὅσιος Στέφανος ὁ Χωρηβίτηςsynaxarion.gr
Orthodox saints after the Schism
- Saint Macarius (Glukharev) of the Altai, Archimandrite (1847)Ὁ Ὅσιος Μακάριος ὁ Ἱεραπόστολοςsynaxarion.gr · drevo-info.ru · pravoslavie.ru
- Saint John Gashkevich, Archpriest of Korma (1917)orthochristian.com · drevo-info.ru · pravoslavie.ru
New martyrs and confessors
- New Hieromartyr Michael Vinogradov, priest (1932)pravenc.ru · drevo-info.ru · holytrinityorthodox.com
- New Hieromartyr Damian (Damjan) Strbac, Jr., priest of Grahovo, Serbia (1941)pravoslavie.ru
- New Hieromartyr Basil Krylov, priest (1942)drevo-info.ru · holytrinityorthodox.com
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.
- Martyr Venantius of Camerino (250)Ὁ Ἅγιος Βενάντιος ὁ Μάρτυραςsynaxarion.gr · orthodoxengland.org.uk · Roman Martyrology
- Hieromartyr Felix, Bishop of Spoleto, in Umbria (304)Ὁ Ἅγιος Φήλικας ὁ Ἱερομάρτυραςsynaxarion.gr · Roman Martyrology
- Hieromartyr Pope John I of Rome (526)Roman Martyrology
- Hieromartyr Pope Theodore I of Rome, who was burned alive (649)Ὁ Ἅγιος Θεόδωρος ὁ Ἱερομάρτυρας Ἐπίσκοπος Ρώμηςsynaxarion.gr · pravoslavie.ru
- Martyr Merililaun of Rheims (Merolilaun), a pilgrim murdered near Rheims and venerated as a martyr (8th century)
- Saint Feredarius (Feradach mac Cormaic), Abbot of Iona (c. 880)
- Saint Elgiva (Ælgifu), Widow of King Edmund, Abbess of Shaftesbury (944)pravoslavie.ru
Other commemorations
Glorifications, translations of relics, wonderworking icons, and monks and elders remembered on the day, not all of whom are canonized.
- Commemoration of the Holy Fathers of the Seven Ecumenical Councilspravoslavie.ru
- Translation of the relics (1030) of Saint Mildred of Thanet (Mildthryth), Abbess of Minster-in-Thanet (8th century)ckhh.org.uk
- Repose of Blessed Philip (Khorev), founder of the Gethsemane Caves Skete of St. Sergius Lavra (1869)pravoslavie.ru
The list is May 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.