October 26 - Eastern Orthodox liturgical calendar - October 28

All fixed commemorations below celebrated on November 9 by Eastern Orthodox Churches on the Old Calendar.^{[note 1]}

For October 27th, Orthodox Churches on the Old Calendar commemorate the Saints listed on October 14.

• Saint Claudia Procula, wife of Pontius Pilate (1st century)^[1][2][3]
• Martyrs Capitolina and Eroteis, of Cappadocia (304)^{[1][3][4][5][note 2]}
• Martyrs Mark of the island of Thasos and those with him (304)^[1][7][8]
• Martyr Nestor of Thessaloniki (306)^{[1][3][8][9][10][note 3]}
• Martyrs Mabrianos and Valentine.^{[3][11][12][note 4]}
• Saint Kyriakos II, Patriarch of Constantinople (606)^[3][12][13]

• Saint Florentius, a martyr in Trois-Châteaux in Burgundy in France (3rd century)^{[14][note 5]}
• Martyrs Vincent, Sabina and Christeta, martyrs in Avila in Spain (303)^{[14][15][note 6]}
• Saint Gaudiosus of Naples, Bishop of Abitina in North Africa (c. 455)^{[note 7]}
• Saint Namatius (Namace), ninth Bishop of Clermont in France (c. 462)^{[14][note 8]}
• Saint Abbán (Eibbán, Moabba), founder of many monasteries, mostly in the south of Ireland (c. 520)^{[14][16][note 9]}
• Saint Oran of Iona (Otteran, Odhran, Odran), monk of Iona Abbey (c. 563)^{[7][14][17][note 10]}
• Saint Desiderius of Auxerre, Bishop of Auxerre in France (c. 625)^[14]
• Saint Colman of Senboth-Fola (Colman Na Fiachrach), a disciple of St Aidan of Ferns, he was Abbot of Senboth-Fola (Seuboth-Folu, Seanboth-Colmain), near Ferns (c. 632)^{[14][note 11]}

• Venerable Nestor the Chronicler, of the Kiev Caves (1114)^{[1][3][7][8][12][19][20]}
• Venerable Nestor the Unlettered (not the Chronicler), of the Far Kiev Caves (14th century)^[8][20][21]
• Venerable Demetrius of Basarabov in Bulgaria (13th century,^[7][22] or 1685)^{[1][23][note 12]} (see also: October 26 )
• Saint Alexander (Okropiridze), Bishop of Guria and Mingrelia, Georgia (1907)^{[7][24][25][note 13]}

• Narrative about the Iberians, involving a certain ascetic woman who healed the sick, including their queen, converting many to Christ (c. 332)^{[26][27][note 14]}
• Uncovering of the relics (1539), in Pereyaslavl-Zalessky, of St. Andrew, Prince of Smolensk (1390)^{[1][7][8][12][28]}
• Repose of Hieroschemamonk Antiochus of Svir, disciple of Elder Theodore of Svir (1832)^[1]

• St. Claudia Procula, wife of Pontius Pilate.
• Martyrs Capitolina and Eroteis, of Cappadocia.
• Martyr Nestor of Thessaloniki.
• St. Namatius, Bishop of Clermont.
• Saint Demetrius of Basarabov, Bulgaria.
• St. Alexandre Oqropiridze
  and his nephew Leonide Oqropiridze.
• St. Andrew, Prince of Smolensk.