Alexius is the Latinized form of the given name Alexios ( el, Αλέξιος, polytonic , "defender", cf.

Alexander Alexander is a male given name. The most prominent bearer of the name is Alexander the Great, the king of the Ancient Greek kingdom of Macedonia who created one of the largest empires in ancient history. Variants listed here are Aleksandar, Al ...

), especially common in the later

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

. The female form is Alexia ( el, Αλεξία) and its variants such as Alessia (the masculine form of which is

Alessio Alessio is a mostly Italian male name, Italian form of Alexius. Individuals with the given name Alessio * Alessio Ascalesi (1872–1952), Italian cardinal *Alessio Boni (born 1966), Italian actor * Alessio Cerci (born 1987), Italian footballer ...

) in Italian. The name belongs to the most ancient attested Greek names (a-re-ke-se-u in the Linear B tablets KN Df 1229 and MY Fu 718).

Rulers

Alexios I Komnenos Alexios I Komnenos ( grc-gre, Ἀλέξιος Κομνηνός, 1057 – 15 August 1118; Latinized Alexius I Comnenus) was Byzantine emperor from 1081 to 1118. Although he was not the first emperor of the Komnenian dynasty, it was during ...

(1048–1118), Byzantine emperor * Alexios II Komnenos (1167–1183), Byzantine emperor * Alexios III, Byzantine emperor * Alexios IV, Byzantine emperor *

Alexios V Doukas Alexios V Doukas ( gr, Ἀλέξιος Δούκας; – December 1204), in Latinised spelling Alexius V Ducas, was Byzantine emperor from February to April 1204, just prior to the sack of Constantinople by the participants of the Fourth ...

, Byzantine emperor *

Alexios I of Trebizond Alexios I Megas Komnenos ( el, Αλέξιος Κομνηνός; c. 1182 – 1 February 1222) or Alexius I Megas Comnenus was, with his brother David, the founder of the Empire of Trebizond and its ruler from 1204 until his death in 1222. The two ...

, Emperor of Trebizond *

Alexios II of Trebizond Alexios II Megas Komnenos ( el, Αλέξιος Μέγας Κομνηνός , translit=Alexios Megas Komnēnos; Sept./Dec. 1282 – 3 May 1330), was Emperor of Trebizond from 1297 to 1330. He was the elder son of John II and Eudokia Palaiologina. ...

, Emperor of Trebizond *

Alexios III of Trebizond Alexios III Megas Komnenos ( el, Αλέξιος Μέγας Κομνηνός, 5 October 1338 – 20 March 1390), or Alexius III, was Emperor of Trebizond from December 1349 until his death. He is perhaps the best-documented ruler of that country, ...

, Emperor of Trebizond *

Alexios IV of Trebizond Alexios IV Megas Komnenos or Alexius IV ( el, Αλέξιος Μέγας Κομνηνός , translit=Alexios Megas Komnēnos, 1379 – 1429), Emperor of Trebizond from 5 March 1417 to 26 April 1429. He was the son of Emperor Manuel III and Gulkh ...

, Emperor of Trebizond *

Alexios V of Trebizond Alexios V Megas Komnenos ( el, Ἀλέξιος Σκαντάριος Μέγας Κομνηνός, translit=Alexios Skantarios Megas Komnēnos; 1454 – 1 November 1463) was very briefly Trapezuntine emperor in April 1460, succeeding his uncle Joh ...

, Emperor of Trebizond * Alexius Mikhailovich (1629–1676), Tsar of Russia * Alexius Petrovich (1690–1718), Russian tsarevich

Religious figures

Alexius, Metropolitan of Moscow Saint Alexius (''Алекси́й'' or ''Aleksij'' in Russian) (before 1296–1378) was Metropolitan of Kiev and all Russia (from 1354), and presided over the Moscow government during Dmitrii Donskoi's minority. Biography Alexius, whose na ...

(1354–1378) *

Patriarch Alexius I of Constantinople Alexios Stoudites or Alexius Studites ( el, Ἀλέξιος ὁ Στουδίτης) (? – 20 February 1043), an ecumenical patriarch of Constantinople, was a member of the Monastery of Stoudios (founded 462), succeeded Eusthathius as patriarch ...

(1025–1043) *

Alexius Alexius is the Latinized form of the given name Alexios ( el, Αλέξιος, polytonic , "defender", cf. Alexander), especially common in the later Byzantine Empire. The female form is Alexia ( el, Αλεξία) and its variants such as Alessia ...

(c. 1425–1488), Russian archpriest who converted to Judaism *

Patriarch Alexius I of Moscow Patriarch Alexy I (Alexius I, russian: Патриарх Алексий I, secular name Sergey Vladimirovich Simansky, russian: Серге́й Влади́мирович Сима́нский; – 17 April 1970) was the 13th Patriarch of Moscow ...

and All Russia (r. 1945–1970) *

Patriarch Alexius II of Moscow Patriarch Alexy II (or Alexius II, russian: link=no, Патриарх Алексий II; secular name Aleksei Mikhailovich Ridiger russian: link=no, Алексе́й Миха́йлович Ри́дигер; 23 February 1929 – 5 December ...

and All Russia (r. 1990–2008) *

Alexius of Nicaea Alexius ( el, ) was a metropolitan bishop of Nicaea who composed a Canon or Hymn about Saint Demetrius of Thessaloniki Saint Demetrius (or Demetrios) of Thessalonica ( el, Ἅγιος Δημήτριος τῆς Θεσσαλονίκης, (); b ...

, metropolitan bishop * Saint

Alexius of Rome Saint Alexius of Rome or Alexius of Edessa ( el, Ἀλέξιος, ''Alexios''), also Alexis, was a fourth-century Greek monk who lived in anonymity and is known for his dedication to Christ. There are two versions of his life that are known, a Sy ...

, fifth-century eastern saint * Alexius, a monk and saint of Kiev - see

Abraham and Onesimus of Kiev Abraham and Onesimus of Kiev were monks of the Kiev caves and lived in 12-13 c. They, with several others, are commemorated on Saturday after September 28. The others commemorated on that day include: *Alexius of Kiev, *Helladius of Kiev, *Siso ...

Other

* Alexios Apokaukos, Byzantine statesman *

Alexios Aspietes Alexios Aspietes ( el, Ἀλέξιος Ἀσπιέτης, ) was a Byzantine governor and military leader who was captured by the Bulgarians, and led an anti-Bulgarian rebellion at Philippopolis in 1205, being acclaimed emperor by the citizens. ...

, Byzantine governor *

Alexios Branas Alexios (or Alexius) Branas or Vranas ( el, ) (died 1187) was a Byzantine nobleman, attempted usurper, and the last Byzantine military leader of the 12th century to gain a notable success against a foreign enemy. Background Alexios Branas was a ...

, Byzantine general *

Alexios Halebian Alexios Halebian (born 8 June 1994) is an American tennis player. Halebian has a career high ATP singles ranking of 537 achieved on 6 June 2016. He also has a career high ATP doubles ranking of 515 achieved on 6 February 2017. Halebian made hi ...

, American tennis player *

Alexius Meinong Alexius Meinong Ritter von Handschuchsheim (17 July 1853 – 27 November 1920) was an Austrian philosopher, a realist known for his unique ontology. He also made contributions to philosophy of mind and theory of value. Life Alexius Meinong ...

, Austrian philosopher * Alexios Mosele (Caesar), Byzantine heir-apparent *

Alexios Palaiologos (despot) Alexios Palaiologos ( gr, Ἀλέξιος Παλαιολόγος; died 1203) was a Byzantine nobleman, son-in-law of Emperor Alexios III Angelos () and his heir apparent from 1199 to his death. Throughout this time, he was actively involved in the s ...

, Byzantine heir-apparent *

Alexios Philanthropenos Alexios Doukas Philanthropenos ( el, ) was a Byzantine nobleman and notable general. A relative of the ruling Palaiologos dynasty, he was appointed commander-in-chief in Asia Minor in 1293 and for a time re-established the Byzantine position t ...

, Byzantine general *

Alexios Raoul (protovestiarios) Alexios Raoul ( el, ; died c. 1258) was a Byzantine aristocrat and general of the Empire of Nicaea. He attained the rank of '' protovestiarios'' during the reign of Emperor John III Vatatzes (r. 1221–1254). Biography Alexios Raoul was the scion ...

, Byzantine general *

Alexios Strategopoulos Alexios Komnenos Strategopoulos ( gr, Ἀλέξιος Κομνηνὸς Στρατηγόπουλος) was a Byzantine aristocrat and general who rose to the rank of '' megas domestikos'' and ''Caesar''. Distantly related to the Komnenian dynasty ...

, Byzantine general * Alexios Xiphias, Byzantine Catepan of Italy * Alexios (Assassin's Creed), a fictional character in ''Assassin's Creed: Odyssey'' {{given name Given names of Greek language origin Greek masculine given names Given names