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1896–1966 · Contemporary

Saint John of Shanghai and San Francisco (Russian: Иоанн Шанхайский и Сан Францисский, romanized: Ioann Shankhayskiyi i San Frantsiskyi; born Mikhail Borisovich Maximovitch, Russian: Михаил Борисович Максимович; June 4, 1896 – July 2, 1966) was a prelate of the Russian Orthodox C…

1795–1867 · Modern

John of Sviatohirsk (secular name Ivan Kryukov; September 20, 1795, Kursk — August 11, 1867, Sviatohirsk Lavra) was a monk of the Sviatohirsk Lavra and a recluse.

1651–1715 · Modern

John of Tobolsk (Russian: Иоанн Тобольский; 1651–1715), born Ioann Maksimovich Vasilkovskiy (Russian: Иоанн Максимович Васильковский; Ukrainian: Іван Максимович Васильківський, romanized: Ivan Maksymovych Vasylkivskyi) was a teacher, writer and clergyman of Ukrainian Cossack orig…

850–901 · Medieval

John the Exarch (also transcribed Joan Ekzarh; Church Slavonic: Їѡаннъ Єѯархъ Bulgarian: Йоан Екзарх) was a medieval Bulgarian scholar, writer and translator, one of the most important men of letters working at the Preslav Literary School at the end of the 9th and the beginning o…

920–1005 · Medieval

John the Iberian (Georgian: იოანე მთაწმინდელი; died c. 1002) was a Georgian monk, who is venerated as a saint. His name refers to his origins from the Kingdom of the Iberians.

400 · Early Church

John the Warrior (Greek: Ἰωάννης ὁ στρατιώτης, Russian: Иоанн Воин, Ioann Voin) or John the Soldier in the Catholic Church is a Christian saint and martyr. He was born in the 4th century and lived until his death in the Byzantine Empire.

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John of Kyiv Caves was a monk of the Eastern Orthodox faith and a citizen of Kievan Rus'. He died and was buried at the Kyiv Pechersk Lavra. He is recognized as a saint with the title of The Venerable.

1470 · Medieval

Jonah, born John (Russian: Иона, Iona; died November 5, 1470), was a Russian Orthodox archbishop who served as Bishop of Novgorod between 1458 and 1470.

1888–1925 · Contemporary

Bishop Jonah (secular name Vladimir Ilyich Pokrovsky, Russian: Владимир Ильич Покровский; April 17, 1888 – October 20, 1925), was a titular bishop of Hankou of the Russian Orthodox Church Outside Russia (ROCOR).

1802–1902 · Contemporary

Iona of Kyiv, born Ivan Pavlovich Miroshnichenko in 1802 in Kremenchuk and died on January 9, 1902, in Kyiv, was an Orthodox saint, venerable, and wonderworker. He was respected as a starets during his lifetime. Saint Iona founded the Holy Trinity Monastery in Kyiv in the 1860s.

1390–1461 · Medieval

Jonah of Moscow (Russian: Иона, romanized: Iona; died 31 March 1461) was Metropolitan of Kiev and all Rus', the primate of the Russian Orthodox Church, from 1448 until his death in 1461.

1500 · Reformation

Venerable Joona was an Eastern Orthodox priest who died in 1480. He is buried at the Pskovo-Pechersky Dormition Monastery.

1440–1515 · Reformation

Joseph Volotsky (Russian: Ио́сиф Во́лоцкий; 1439 or 1440 – September 9, 1515), also known as Joseph of Volotsk or Joseph of Volokolamsk, born Ivan Sanin (Russian: Ива́н Са́нин), was a prominent Russian theologian and early proponent of tsarist autocracy.

1837–1911 · Contemporary

Joseph of Optina (secular name Ivan Yevfimovich Litovkin; November 2 [14], 1837, Gorodishche village, Kharkov Governorate — May 9 [22], 1911, Optina Monastery) was a priest of the Russian Orthodox Church.

816–886 · Medieval

Joseph the Hymnographer (Greek: Όσιος Ιωσήφ ο Υμνογράφος, romanized: Ósios Iosif o Ymnográfos) was a Greek monk of the ninth century. He is regarded as one of the greatest liturgical poets and hymnographers of the Eastern Orthodox Church.

1500–1502 · Reformation

Jovan Branković was the titular Despot of Serbia from 1493 until his death in 1502. The title of despot was given to him by Hungarian king Vladislas II of Hungary. From 1493 to 1497 he held the title together with his elder brother Đorđe Branković, who was despot from 1486.

990–1016 · Medieval

Jovan Vladimir or John Vladimir (Serbian Cyrillic: Јован Владимир; c. 990 – 22 May 1016) was the ruler of Duklja, the most powerful Serbian principality of the time, from around 1000 to 1016.

1894–1979 · Contemporary

Justin Popović was a Serbian Orthodox theologian, archimandrite of the Ćelije Monastery, Dostoyevsky scholar, writer, anti-communist advocate and critic of the pragmatic church ecclesiastical life.

350–458 · Early Church

Saint Juvenal (Greek: Άγιος Ιουβενάλιος) was Bishop of Jerusalem from 422. On the See of Jerusalem being recognised as a Metropolitinate by the Council of Chalcedon, he became the first Metropolitan of Jerusalem, an office he occupied until his death in 458.

1761–1796 · Modern

Juvenaly of Alaska (Russian: Иеромонах Ювена́лий; 1761, Yekaterinburg, Russia – 1796, Kuinerrak, Alaska), Protomartyr of America, was a Russian hieromartyr and member of the first group of Orthodox missionaries who came from the monasteries of Valaam and Konevets to evangelize th…

1878–1937 · Contemporary

Juvenaly, born Yevgeny Alexandrovich Maslovsky (January 15, 1878, in Livny – died the night of October 24–25, 1937), was a Russian Orthodox bishop who was venerated as a new martyr from 2000 to 2013.

1876–1934 · Contemporary

Archbishop John (Latvian: Аrhibīskaps Jānis, Russian: Архиепископ Иоанн, secular name Jānis Pommers or Ivan Andreyevich Pommer, Russian: Иван Андреевич Поммер; 6 (18) January 1876 – 29 September (12 October) 1934) was the first Latvian Archbishop of the Latvian Orthodox Church, s…

1884–1966 · Contemporary

Sebastian, born Stepan Vasilyevich Fomin (October 28, 1884, in Kosmodemyanskoye, Oryol Governorate – April 19, 1966), was a Russian Orthodox clergyman and a member of the Synaxis of New Martyrs and Confessors of Russia.

1500 · Reformation

Venerable Karp Myodushskiy was an Eastern Orthodox saint born in 1500 in the Tsardom of Russia. He died in the Kovrovsky Uyezd.

810–865 · Medieval

Kassia, Cassia, Kassiane, or Kassiani was a Byzantine-Greek composer, hymnographer and poet. She holds a unique place in Byzantine music as the only known woman whose music appears in the Byzantine liturgy.

1560–1624 · Reformation

Ketevan the Martyr (Georgian: ქეთევან წამებული, romanized: ketevan ts'amebuli) (c. 1560 – September 13, 1624) was a queen consort of Kakheti, a kingdom in eastern Georgia. She was regent of Kakheti during the minority of her son Teimuraz I of Kakheti from 1605 to 1614.

1813–1882 · Modern

George IV Kerestedjian (Armenian: Գևորգ Դ Քերեստեճյան), also known as George IV of Constantinople or Gevork IV Kostandnupolsec‘i (born 1813, died in Etchmiadzin on December 6, 1882), was the Armenian Patriarch of Constantinople from 1856 to 1860, and subsequently Catholicos of th…

1219–1238 · Medieval

Christina of Vladimir (c. 1219–1238) was a pious princess of Vladimir, the wife of Prince Vladimir Yuryevich and daughter-in-law of Grand Prince Yuri II Vsevolodovich of Vladimir.

1262 · Medieval

Bishop Cyril (died May 21, 1262) was the Bishop of Rostov and Yaroslavl from 1230 to 1262. He served as the abbot of the Nativity of the Theotokos Monastery in Vladimir. He governed the diocese from April 6, 1230 (or 1231), until nearly the day of his death.

1864–1937 · Contemporary

Konstantin, secular name Konstantin Grigoryevich Dyakov (born May 9/21, 1871 or 1875 in the Chernigov Governorate, died November 10, 1937, in Kyiv) was a bishop of the Russian Orthodox Church and a new martyr.

1852–1918 · Contemporary

Konstantin Dmitriyevich Golubev (Russian: Константи́н Дми́триевич Го́лубев; 27 March 1896 – 9 June 1956) was a Soviet general and army commander. He was born in Petrovsk, Saratov Governorate (in present-day Saratov Oblast).

1874–1918 · Contemporary

Konstantin Minyatov was a Russian Empire lawyer born in 1874 in Oryol. He died in 1918 in Yekaterinburg from a gunshot wound. He is recognized as a saint within Eastern Orthodoxy.

1770–1800 · Modern

Konstantinos of Hydra was born in 1770 in Hydra and was a citizen of the Ottoman Empire. He died in 1800 in Rhodes. He is recognized as a canonized saint within Eastern Orthodoxy.

1492 · Medieval

Cosmas of Yakhroma (Church Slavonic: Venerable Cosmas of Yakhroma) is a saint of the Orthodox Church. He lived in the 15th century. He took monastic vows at the Kiev Pechersk Lavra, where he resided for some time.

768–853 · Medieval

Konstanti Kakhay or Konstanti Kakhi (Georgian: კონსტანტი კახაჲ; კონსტანტი კახი) (768 – November 10, 853) was a Christian Georgian nobleman from Kartli, who was seized captive by the Abbasid general Bugha al-Kabir during his 853 expedition into the Caucasus.

1876–1938 · Contemporary

Nikolai Konstantinovich Krasovsky (May 7, 1876, Vladimir Governorate — January 31, 1938, Butovo firing range, Moscow Oblast) was a priest and a saint of the Russian Orthodox Church, canonized as a hieromartyr in 2001 for veneration by the entire church.

1859–1937 · Contemporary

Kronid, born Konstantin Petrovich Lyubimov (1 May/13 May 1859 in Levkiyevo – 10 December 1937 at the Butovo firing range), was a Russian Orthodox monk, archimandrite, and the last superior of the Trinity Lavra of St. Sergius before its closure by the Bolshevik authorities.

1875–1964 · Contemporary

Kuksha of Odessa, born Kuzma Kirillovich Velichko (25 January [O.S. January 12] 1875 in Arbuzynka, Kherson Governorate, Russian Empire – 24 December 1964 in Odessa, USSR), was an imperial Russian priest and a Ukrainian Orthodox Church (Moscow Patriarchate) saint who was canonized…

1001–1113 · Medieval

Kuksha of the Kiev Caves (Russian: Кукша Печерский, romanized: Kuksha Pechersky; died after 1114) was a monk and martyr from the Kiev Pechersk Lavra.

250–289 · Early Church

Saint Kyriaki (Greek: Αγία Κυριακή, Macedonian: Света Недела), also known as Saint Kyriaki the Great Martyr (Greek: Αγία Κυριακή η Μεγαλομάρτυς, Macedonian: Света великомаченичка Недела), is a Christian saint who was martyred under the Roman emperor Diocletian.

1855–1918 · Contemporary

St. Kyrion II (Georgian: კირიონ II) (November 10, 1855 – 26 June 1918) was a Georgian religious figure and historian who served as the first Catholicos-Patriarch of All Georgia after the restoration of independence (autocephaly) of the Georgian Orthodox Church from the Russian Or…

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Kyros of Constantinople (Ancient Greek: Κῦρος; died 8 January 712) was the Ecumenical Patriarch of Constantinople from 705 to 711. He is regarded as a saint in the Eastern Orthodox Church and Catholic Church, which had set his feast for 7 January in Catholic Church and 8 January…

1877–1918 · Contemporary

Saint Lawrence or Laurence (Latin: Laurentius, lit. 'laurelled'; 31 December 225 – 10 August 258) was one of the seven deacons of the city of Rome under Pope Sixtus II who were martyred in the persecution of the Christians ordered by the Roman emperor Valerian in 258.

1868–1950 · Contemporary

Lawrence (Russian: Лавре́нтий, Lavrentiy; born Luka Evseevich Proskura; 1868, Karilskoie village, Krolevetsky District, Chernigov Governorate, Russian Empire – January 19, 1950, Chernigov, USSR) was a Russian clergyman and archimandrite of the Russian Orthodox Church.

1650–1707 · Modern

Saint Lawrence of Salamis was an Eastern Orthodox farmer born in Megara in 1650. He died in 1707 and is recognized as a saint.

1329–1389 · Medieval

Lazar Hrebeljanović (Serbian Cyrillic: Лазар Хребељановић; c. 1329 – 15 June 1389) was a medieval Serbian ruler who created the largest and most powerful state on the territory of the disintegrated Serbian Empire.

1286–1391 · Medieval

1884–1972 · Contemporary

Leontius, secular name Lew Fomich Stasievich (born 20 March 1884 in Tarnogród, died 9 February 1972 in Mikhaylovskoye) was a clergyman of the Russian Orthodox Church, archimandrite, one of the New Martyrs and Confessors of the Russian Orthodox Church.

1872–1938 · Contemporary

Leonid (Russian: Леонид [lʲɪɐˈnʲit]; Ukrainian: Леонід [leoˈn⁽ʲ⁾id]; Belarusian: Леанід, romanized: Leaníd [lʲɛaˈnʲit]) is a Slavic version of the given name Leonidas. The French version is Leonide. People with the name include: Fictional characters include:

1889–1937 · Contemporary

Archimandrite Lev (Leonid Mikhailovich Egorov; February 26, 1889 - September 20, 1937) - clergyman of the Russian Orthodox Church, brother of Metropolitan Gurij (Egorov). In July 2003, he was glorified as a hieromartyr by the Holy Synod of the Russian Orthodox Church.