May 16 (Eastern Orthodox liturgics)

• Hieromartyr Alexander of Jerusalem, Archbishop (251)[1][note 2]
• Saint Papylinus the Martyr[3]
• Martyrs Bachtisius, Isaac and Symeon of Persia (339)[4][5][note 3]
• Saint Theodore the Sanctified of Tabennisi, disciple of Saint Pachomios the Great (367)[6]
• Martyrs Abda (Audas) and Abdjesus (Audiesus) the Bishops, Benjamin, and 38 other martyrs at Beth-Kashkar in the Persian Empire, under Ardashir II (375), including:[7][8][note 4]

• 16 priests, 9 deacons, 6 monks, and 7 unnamed virgins.

• Saint Neadius (Neadios), Bishop and Wonderworker.[9][note 5]
• Saint Bardas, founder of the monastery of the Forerunner in Petra, Constantinople (5th-6th century)[5]
• Martyrdom of the 44 Holy Sabaite fathers, monk-martyrs of the Great Lavra of St. Sabbas the Sanctified, massacred by the Saracens (610 or 614)[5][8][11][note 6]
• Martyr Peter of Blachernae (761)[13][note 7]
• Saint Thomas I, Patriarch of Jerusalem (820)[5]
• Saint George of Mitylene, Bishop (821 or 842)[14][note 8]
• Saint Nicholas Mystikos, Patriarch of Constantinople (925)[16]

• Saint Fort (Fort de Bordeaux), first Bishop of Bordeaux in France, venerated as a martyr (c. 1st century?)[17][18]
• Saint Peregrinus, Bishop of Terni (138)[17][19]
• Saint Peregrine of Auxerre, martyr, the first bishop of Auxerre and the builder of its first cathedral (261 or 304)[8][17][20]
• Martyrs Felix and Gennadius, at Uzalis in Africa[8][17][21]
• Martyrs Vitus, Modestus, and Crescentia at Lucania (c. 303)[5][22]
• Saint Hilary, Bishop of Pavia, one of the bishops in the north of Italy who fought against Arianism (376)[17]
• Saint Possidius, Bishop of Calama in Numidia in North Africa, a friend of Saint Augustine of Hippo (c. 370 - c. 440)[8][17]
• Saint Primael, ascetic, from Britain, he went to Brittany and became a hermit near Quimper (c. 450)[17]
• Blessed child-saint Musa of Rome (5th century)[5][22]
• Saint Carantac (Carantog, Caimach, Carnath), Welsh prince who aided St Patrick in the enlightenment of Ireland (5th century)[17][23]
• Saint Fidolus (Phal), Abbot at Isle-Aumont, south of Troyes (c. 540 - 549)[8][17][24]
• Saint Germerius, Bishop of Toulouse in France for fifty years (560)[17]
• Saint Brendan the Navigator, abbot of Clonfert (c. 577)[8][17][25]
• Saint Domnolus, Bishop of Le Mans (581)[8][17][26]
• Saint Carantoc, an abbot who founded the church of Llangrannog in Wales (6th century)[17][27][note 9]
• Saint Honoratus of Amiens, the seventh bishop of Amiens (c. 600)[8][17][28]
• Saint Annobert (Alnobert), a monk at Almenêches, consecrated Bishop of Séez in France (c. 689)[17]
• Saint Franchy (Francovæcus), a monk at St Martin de la Bretonnière in France, later a hermit in the Nivernais (Diocese of Nevers) (7th century)[17]

• Saints Cassian (1537) and Laurence (1548), disciples of Venerable Cornelius of Komel, Abbots of Komel ("Korneliev" Monastery), Vologda.[29]
• New Hieromartyr Teodor (Nestorović) of Vršac, Bishop of Vršac in Banat, Serbia (1595)[30]
• New Martyr Nicholas of Metsovo, at Trikala, whose relics are at Meteora (1617)[5][22][31]

• Foundation of the church of Saint Euphemia, near the Neorion (port facilities), by the Dolmabahçe Palace of Constantinople.[36]
• Translation of the relics (1545) of Saint Ephraim, Abbot of Perekop, Wonderworker of Novgorod (1492)[37][note 12]
• Commemoration of Saint Macarius (Notaras) of Corinth (1805) in the village of Myloi, Samos island.[38][note 13]

• 
  St. Alexander of Jerusalem.
• 
  St. Abdias (Abidas or Obadiah) of Persia (Menologion of Basil II, 10th century).
• 
  Patriarch Nicholas Mystikos.
• 
  The martyrdom of Vitus, Modestus, and Crescentia.
• 
  Martyrdom of Saint Vitus.
• 
  Bishop St. Germerius of Toulouse, represented in a sculpture on the Church of Our Lady of Dalbade, Toulouse.
• 
  St. Brendan of Clonfert.
• 
  St. Domnolus, Bishop of Le Mans, stained glass.
• 
  St. Carantoc's Church, Crantock.
• 
  Tympanum of the southern door of the Cathedral of Amiens, showing the life of Saint Honoratus of Amiens, including his appointment as bishop, and translation of his relics.
• 
  St. Honoratus of Amiens.
• 
  Venerable Hieromonk Matthew of Yaransk, the Wonderworker.

• May. Self-Ruled Antiochian Orthodox Christian Archdiocese of North America.
• May 16/29. Orthodox Calendar (PRAVOSLAVIE.RU).
• May 29 / May 16. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow).
• Complete List of Saints. Protection of the Mother of God Church (POMOG).
• May 16. Latin Saints of the Orthodox Patriarchate of Rome.
• May 16. The Roman Martyrology.

Greek Sources

• Great Synaxaristes: (in Greek) 16 ΜΑΪΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.
• (in Greek) Συναξαριστής. 16 Μαΐου. ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ).

Russian Sources

• (in Russian) 29 мая (16 мая). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).
• (in Russian) 16 мая (ст.ст.) 29 мая 2013 (нов. ст.). Русская Православная Церковь Отдел внешних церковных связей. (DECR).