- 1 OctoberSaint Ananias the Apostle
- 1 OctoberSaint Romanos the Melodist
- 1 OctoberSaints of October
- 2 OctoberThe Holy Hieromartyr Cyprian and the Virgin Martyr Justina
- 3 OctoberDionysios the Areopagite
- 4 OctoberSaint Ammoun the Egyptian
- 5 OctoberSaint Charitina
- 6 OctoberSaint Thomas the Apostle
- 7 OctoberSaint Sergius and Bacchus the Great Martyrs of Syria
- 8 OctoberSaint Pelagia the Righteous
- 9 OctoberApostle James the Son of Alphaeus
- 14 OctoberSaint Kosmas the Poet, Bishop of Maiuma
- 14 OctoberNazarius, Gervasius, Protasius, & Celsus of Milan
- 15 OctoberSaint Lucian the Martyr of Antioch
- 16 OctoberLonginus the Centurion
- 17 OctoberHosea the prophet
- 19 OctoberJoel the Prophet
- 20 OctoberSaint Gerasimus of Cephalonia
- 21 OctoberHilarion the Great
- 22 OctoberThe Seven Youths
- 23 OctoberSaint Iakovos the Apostle, brother of Our Lord
- 25 OctoberThe Holy Martyrs Marcian and Martyrius the Notaries
- 26 OctoberThe Great Martyr Demetrius the Myrrh-gusher of Thessalonica
- 27 OctoberSaint Nestor the Martyr of Thessaloniki
