Index of saints
Letter O
211 saints
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ObadiahProphet · The ProphetNov 19- ObduliaSaintSep 5
ObedRighteous · Ancestor of Christ- Obrad LuburićNew MartyrMay 24
- OceanusMartyrSep 12
- Oceanus of NicomediaMartyr
- Octavian and CompanionsHoly HieromartyrsMar 22
- Octavian of ComoSaint · Bishop of ComoOct 13
- Octavian of VolterraSaintSep 2
- Octavius and CompanionsHoly MartyrsNov 20
- Octavius of AfricaSaintDec 28
- Octavius of AfricaSaintMar 5
- Octavius of RomeSaintJul 11
- Octavius of ThessalonicaSaintJun 1
- Octavius, Solutor and Adventor of TurinHoly MartyrsNov 20
- OctideSaintJan 19
- OctoberMartyr · Martyr of LyonJun 2
- Oda of AmayRight-BelievingOct 23
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Oda the GoodSaint · Archbishop of CanterburyJun 2- Ode of ToulMartyr
- OdedProphet
- Odharnat of Druim Mic FeradhaighSaintNov 14
- OdhranSaintMar 6
- OdhranVenerableMay 16
- OdhranSaintSep 10
- OdhranVenerableOct 27
- OdhranSaintAug 18
- Odhran of LetirSaintOct 2
- Odhran of WaterfordSaint · Bishop of WaterfordMay 8
- Odila of LaonVenerableMar 7
Odilia of AlsaceVenerable · Abbess, patroness of AlsaceDec 13
Odilia of CologneMartyrJul 18
Odilo of ClunyVenerable · Abbot of ClunyMay 11- Odilo of StavelotVenerableOct 15
Odo of BeauvaisSaint · Bishop of BeauvaisJan 28
Odo of ClunyVenerable · Abbot of ClunyNov 18- Odo of Le PuySaint
- Odo of MassayVenerableJun 7
- OdradaSaintNov 5
- OdranMartyrFeb 19
OdulphVenerableJun 12- OduvaldVenerable · Abbot of MelroseMay 26
- OdysseasNew MartyrJul 7
- Oecumenius of TriccaSaint · Bishop of TriccaMay 3
- Oengus the CuldeeVenerableMar 11
- Offa of EssexRight-Believing · King of EssexDec 15
- OffoVenerable
- OfuoiSaintFeb 9
- Oilbhe of Inis MorSaintAug 1
- Oilleoc of Cluana EtchenSaintJul 23
- OinmheSaintOct 2
- Oissein of Cluain Mor Fer NArdaSaintJan 1
- Oisseine of TengaidhSaintJul 19
- OkeMartyrNov 2
Olaf of NorwayRight-Believing · King of NorwayJul 29- Olaf of SwedenMartyrJul 30
- OlannSaintSep 5
- OlbianVenerableMay 25
- OlcanSaint · BishopFeb 20
OlceseSaintJan 21- Olcobhar mac CummuscachVenerable
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Oleg of BryanskRight-Believing · Prince of BryanskSep 20
Oleg of RyazanRight-Believing · Prince of RyazanJun 10
OlgaPassion-Bearer · Grand Duchess of RussiaJul 4- OlgaMartyrJun 11
- OlgaMartyrJun 11
- OlgaMartyrJun 11
- Olga (Kochanovska)Fool-for-Christ · Of the Florivsky Convent, KyivOct 16
- Olga AMartyrJun 11
- Olga EvdokimovaNew MartyrJan 28
- Olga KoshelevaMartyrFeb 21
- Olga MaslennikovaMartyrNov 10
- Olga NinoševićNew MartyrMay 24
Olga of AlaskaRighteous · Priest's wife of AlaskaOct 27
Olga of KievEqual-to-the-Apostles · Princess of KievJul 11- Olga of MoscowVenerable · Nun of the Moscow regionAug 13
- Olga ZhiltsovaVenerable MartyrMar 1
- Olimpia of FărcașaSaintJul 4
- Oliva of BresciaPassion-BearerMar 5
Oliver of AnconaVenerableFeb 3
Olivia of AnagniSaintJun 3
Olivia of PalermoMartyrJun 10- OlivianHieromartyrMay 29
- Oliviera of ChaumontMartyr · Martyr of FranciaFeb 3
Olof SkötkonungRight-Believing · King of Sweden_-_%D0%B8%D0%BA%D0%BE%D0%BD%D0%B0_03102_%D0%9E%D0%BB%D0%B8%D0%BC%D0%BF%2C_%D0%A0%D0%BE%D0%B4%D0%B8%D0%BE%D0%BD_%D0%B8_%D0%A1%D0%BE%D1%81%D0%B8%D0%BF%D0%B0%D1%82%D1%80.png)
OlympasApostle · Greeted by the Apostle PaulNov 10- OlympiaMartyrMay 11
- Olympia and EuphrosyneHoly Venerable MartyrsMay 11
- Olympiades of AmeliaMartyrDec 1
- OlympiasMartyrApr 15
- Olympias JinMartyrJun 11
- Olympias of ArmeniaSaint · Queen of Armenia
- Olympias of VăratecVenerable · Founder of Văratec MonasteryAug 17
Olympias the DeaconessVenerable · Deaconess in ConstantinopleJul 25- OlympinusMartyrJan 30
- OlympiodoraMartyrDec 31
- Olympios the EparchMartyr · Martyr in PersiaAug 3
- Olympius of RomeMartyrJan 30
- Olympius the PersianMartyrJul 30
- Olympius the TribuneMartyr · TribuneAug 2
- Omer of ThérouanneSaint · Bishop of ThérouanneSep 9
- OnamSaintNov 20
- OnchoSaintFeb 8
- Onchu of Dal GCaisSaintJul 9
- One Hundred Sixty-five Martyrs of RomeHoly MartyrsAug 10
OnenneVenerable
OnesimusApostle · Disciple of the Apostle PaulFeb 15- OnesimusMartyrJul 6
- OnesimusSaint · Archbishop of EphesusDec 1
- Onesimus of MagnesiaVenerableJul 14
- Onesimus of RadonezhVenerable · The doorkeeperJul 6
- Onesimus of RomeHieromartyrMay 10
- Onesimus of SoissonsSaint · Bishop of SoissonsMay 13
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Onesimus PylaevHieromartyr · Bishop of TulaOct 5- Onesimus the Recluse of KyivVenerable · Monk of the Kyiv Caves LavraSep 28
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OnesiphorusHieromartyr · Disciple of the Apostle PaulDec 8- OnesiphorusMartyrNov 9
- OnesiphorusVenerableJul 18
Onesiphorus and PorphyryHoly MartyrsNov 9- Onesiphorus of AnaritaVenerableJul 13
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Onesiphorus the ConfessorVenerable · Monk of the Kiev CavesNov 9- Onesius of IsauriaMartyrMar 5
- Onisifor IshchenkoVenerable · of Rossikon Monastery
- Onopre of GarejaVenerableSep 29
- OnouphriosVenerable · of Dionysiou Monastery
- Onouphrios of KaryesVenerable · of the cells of Karyes
- Onouphrios of KoronisiaVenerable · Venerable of KoronisiaJun 12
- Onouphrios of St Anne's SketeVenerable · of St Anne Skete
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Onufry GagalyukHieromartyr · Archbishop of KurskMay 19- Onuphrius of David Gareji MonasterySaintSep 29
Onuphrius of GabrovoVenerable Martyr · Monk of HilandarJan 4- Onuphrius of KatromaVenerableJun 12
- Onuphrius of MalskVenerableJun 12
- Onuphrius of PanaiaVenerableAug 4
- Onuphrius of RomanovFool-for-ChristSep 2
- Onuphrius of SolovkiVenerable · The hermitAug 9
- Onuphrius of UglichVenerable MartyrMay 23
- Onuphrius of VologdaVenerableJun 12
Onuphrius the GreatVenerable · Hermit of the ThebaidJun 12- Onuphrius the Hermit of TazlauVenerable
Onuphrius the SilentVenerable · Monk of the Near CavesJul 21- Onuphrius VoronskyVenerableSep 9
- Opilio of PiacenzaVenerable · Monk of PiacenzaOct 12
Opportuna of MontreuilVenerable · Abbess of MontreuilApr 22- Oprea of SalistieMartyrOct 21
- OptatianusSaintJul 14
- Optatus of AfricaSaintDec 1
Optatus of MilevisSaint · Bishop of MilevisJun 4- Optatus of NicomediaSaintNov 7
- Optatus of ZaragozaMartyrApr 16
- Or of NitriaVenerable · Hermit of EgyptAug 7
- Or of SirmiumMartyrAug 22
- Or of ThraceMartyrAug 20
- OraiozeleMartyrJul 26
Oran of IonaVenerable · Companion of Saint ColumbaOct 27.jpg)
Oranne of EschweilerSaintSep 15- Ordoño of AstorgaSaint · Bishop of AstorgaFeb 23
- OrentiusMartyrJun 24
- Orentius, Pharnacius, Heros, Firmus, Firminus, Cyriacus and LonginusHoly Martyrs · The Seven Brothers of LazicaJun 24
- OrestesMartyrJun 9
- OrestesSaintAug 20
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Orestes of CappadociaMartyr- Orestes of SebasteMartyrDec 13
- Orestes of TyanaMartyrNov 10
- Oricle of ReimsSaintNov 18
- Oriculus and CompanionsHoly MartyrsNov 18
OrientiusSaint · Latin Christian poetMay 1- OrionMartyrNov 10
- OrionSaintAug 16
- Orion of AfricaSaintJan 22
- Orion of HeracleaSaintNov 20
- Orion of SebasteSaintMar 22
- Orion of SinaiVenerable
- Orion of ThraceMartyrAug 20
- OrmondVenerableJan 23
Orontius of LecceSaint · First Bishop of LecceAug 26- Orops of SirmiumMartyrAug 22
- OropsisMartyrAug 22
Orosia of JacaSaint · Patron of JacaJun 25- OrsisiusVenerableJun 15
- Orsisius of EgyptVenerable
Ortaire of LandellesSaintApr 15- Ortasius of AlexandriaHieromartyrMay 18
- OrthinisSaintJan 11
- Orthodox Christians Massacred at DiyarbakirHoly New MartyrsJun 30
- OsanaRight-BelievingJun 18
- OsannaRight-BelievingJul 18
- Osanna of JouarreVenerableJun 18
- Osburga of CoventryVenerable · Abbess of CoventryMar 30
- OsburhRight-Believing
- OsmannaVenerableSep 9
- OsnatVenerableNov 10
- OsnatVenerableJan 6
- Osorio GutiérrezSaint
- OssenSaintJul 22
- Osthryth of BardneyRight-Believing
- OstianusSaintJun 30
- Ostrichius of MeliteneMartyrNov 7
Oswald of NorthumbriaRight-Believing · King of NorthumbriaAug 5
Oswald of WorcesterSaint · Archbishop of YorkFeb 29
Oswine of DeiraMartyr · King of DeiraAug 20
OsythVenerable · Mercian prioressOct 7- Otar of GarejiVenerable Martyr · Monk of GarejiAug 12
- Otger of OdilienburgVenerableMay 8
OtgerusVenerableSep 10
Othmar of St. GallVenerable · First Abbot of St. GallNov 16- OtimusMartyr
Oudoceus (Euddogwy)Saint · Bishop of LlandaffJul 2
Ouen of RouenSaint · Bishop of RouenAug 24
OvidiusSaintJun 3- OwinVenerableMar 4