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

Alexander Alexander () is a male name of Greek origin. 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 ar ...

), especially common in the

Byzantine Empire The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the ...

. The female form is Alexia () and its variants such as

Alessia Alessia is an Italian given name, the Feminine gender, feminine form of the male given name Alessio (disambiguation), Alessio, the Italian form of Alexius. In Greek it is Alexia (given name), Alexia. It is a popular name for females in Italy and ...

(the masculine form of which is

Alessio Alessio is an Italian male name, Italian form of Alexius. Individuals with the given name Alessio *Alessio Ascalesi (1872–1952), Italian cardinal * Alessio Bandieri (born 1974), Italian footballer * Alessio Boni (born 1966), Italian actor * A ...

) in Italian. The name belongs to the most ancient attested Greek names (a-re-ke-se-u in the

Linear B Linear B is a syllabary, syllabic script that was used for writing in Mycenaean Greek, the earliest Attested language, attested form of the Greek language. The script predates the Greek alphabet by several centuries, the earliest known examp ...

tablets KN Df 1229 and MY Fu 718).

Rulers

Alexios I Komnenos Alexios I Komnenos (, – 15 August 1118), Latinization of names, Latinized as Alexius I Comnenus, was Byzantine Emperor, Byzantine emperor from 1081 to 1118. After usurper, usurping the throne, he was faced with a collapsing empire and ...

(1048–1118), Byzantine emperor *

Alexios II Komnenos Alexios II Komnenos (; 14 September 1169, p. 383September 1183), Latinized Alexius II Comnenus, was Byzantine emperor from 1180 to 1183. He ascended to the throne as a minor. For the duration of his short reign, the imperial power was '' de fa ...

(1167–1183), Byzantine emperor * Alexios III, Byzantine emperor *

Alexios IV Alexios IV Angelos (; – February 1204), Latinized as Alexius IV Angelus, was Byzantine Emperor from August 1203 to January 1204. He was the son of Emperor Isaac II Angelos and his first wife, an unknown Palaiologina, who became a nun with t ...

, Byzantine emperor *

Alexios V Doukas Alexios V Doukas (; died December 1204), Latinized as Alexius V Ducas, was Byzantine emperor from February to April 1204, just prior to the sack of Constantinople by the participants of the Fourth Crusade. His family name was Doukas, but he w ...

, Byzantine emperor *

Alexios I of Trebizond Alexios I Megas Komnenos (; ka, ალექსი კომნენოსი; c. 1182 – 1 February 1222) or Alexius I Megas Comnenus with his brother David, the founder of the Empire of Trebizond and its ruler from 1204 until his death in ...

, Emperor of Trebizond *

Alexios II of Trebizond Alexios II Megas Komnenos (; 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. Alexios proved to be a skillful and energetic ruler, under whose rule the Empire ...

, Emperor of Trebizond *

Alexios III of Trebizond Alexios III Megas Komnenos (; 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, and his reign is distinguished by a number of ...

, Emperor of Trebizond *

Alexios IV of Trebizond Alexios IV Megas Komnenos or Alexius IV (; – 1429), Emperor of Trebizond from 5 March 1417 to 26 April 1429. He was the son of Emperor Manuel III and Gulkhan-Eudokia of Georgia. Reign Alexios IV had been associated in authority and given t ...

, Emperor of Trebizond *

Alexios V of Trebizond Alexios V Megas Komnenos (; 1454 – 1 November 1463) was very briefly List of Trapezuntine emperors, Trapezuntine emperor in April 1460, succeeding his uncle John IV of Trebizond, John IV, until his deposition by his other uncle, David of Trebizo ...

, Emperor of Trebizond *

Alexius Mikhailovich Alexei Mikhailovich (, ; – ), also known as Alexis, was Tsar of all Russia from 1645 until his death in 1676. He was the second Russian tsar from the House of Romanov. He was the first tsar to sign laws on his own authority and his council ...

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

Religious figures

Alexius, Metropolitan of Moscow Alexius (, ''Aleksii''; before 1296–1378) was Metropolitan of Kiev and all Rus' from 1354. He presided over the Muscovite government during Dmitrii Donskoi's minority. Biography Alexius, whose name at birth was Eleutherius, was a son o ...

(1354–1378) *

Patriarch Alexius I of Constantinople Alexius of Constantinople (''Alexius Studites'' ; died 20 February 1043), an list of ecumenical patriarchs of Constantinople, ecumenical patriarch of Constantinople, was a member of the Monastery of Stoudios (founded 462), succeeded Eustathius o ...

(1025–1043) *

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

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

Patriarch Alexius I of Moscow Patriarch Alexy I (Alexius I, , secular name Sergey Vladimirovich Simansky, ; – 17 April 1970) was the 13th Patriarch of Moscow and all Rus', Primate of the Russian Orthodox Church (ROC) between 1945 and 1970. Life Born in Moscow to a noble ...

and All Russia (r. 1945–1970) *

Patriarch Alexius II of Moscow Patriarch Alexy II (or Alexius II, ; secular name Aleksei Mikhailovich Ridiger ; 23 February 1929 – 5 December 2008) was the 15th Patriarch of Moscow and all Rus', the Primate (bishop), primate of the Russian Orthodox Church. Elected Pa ...

and All Russia (r. 1990–2008) *

Alexius of Nicaea Alexius () was a metropolitan bishop of Nicaea who composed a Canon or Hymn A hymn is a type of song, and partially synonymous with devotional song, specifically written for the purpose of adoration or prayer, and typically addressed to a deity ...

, metropolitan bishop * Saint

Alexius of Rome Saint Alexius of Rome or Alexius of Edessa (, ''Alexios''), also Alexis, was a fourth-century Greeks, Greek monk who lived in anonymity and is known for his dedication to Christ. Two versions of his life exist, one in Syriac language, Syriac and ...

, fifth-century eastern saint

Other

Alexios Apokaukos Alexios Apokaukos (; died 11 June 1345), also Latinized as Alexius Apocaucus, was a chief minister and head of the navy in the Byzantine Empire, during the reigns of emperors Andronikos III Palaiologos (r. 1328–1341) and John V Palaiologos ( ...

, Byzantine statesman *

Alexios Aspietes Alexios Aspietes (, ) 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. Life A member of the Aspietes family ...

, Byzantine governor *

Alexios Branas Alexios (or Alexius) Branas or Vranas () (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 notab ...

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

, Austrian philosopher *

Alexios Mosele (Caesar) Alexios Mosele () or Musele/Mousele (Μουσελέ) was a Byzantine Empire, Byzantine aristocrat and general, chosen by Emperor Theophilos (emperor), Theophilos (r. 829–842) for a time as his heir, betrothed to his daughter Maria and raised to ...

, Byzantine heir-apparent *

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

, Byzantine heir-apparent * Alexios Philanthropenos, Byzantine general *

Alexios Raoul (protovestiarios) Alexios Raoul (; 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 of a w ...

, Byzantine general *

Alexios Strategopoulos Alexios Komnenos Strategopoulos () was a Byzantine aristocrat and general who rose to the rank of ''megas domestikos'' and ''Caesar (title), Caesar''. Distantly related to the Komnenian dynasty, he appears in the sources already at an advanced a ...

, Byzantine general *

Alexios Xiphias Alexios Xiphias (, ) was a Byzantine ''protospatharios'' and catepan of Italy from 1006 to 1007, following the long term of office of Gregory Tarchaneiotes. In March 1007, he promulgated a diploma in favour of Alexander, abbot of San Giovanni in ...

, Byzantine Catepan of Italy *

Alexios (Assassin's Creed) Alexios () and Kassandra () are two interconnected fictional characters in Ubisoft's ''Assassin's Creed'' video game franchise, first appearing as the player characters of the 2018 video game ''Assassin's Creed Odyssey''. Alexios and Kassandra ar ...

, a fictional character in ''Assassin's Creed: Odyssey''

Alexius in other languages

* English – Alexis, Aleck * German – Alexius, Alexis * Greek – Αλέξιος 'Alexios'' Αλέξης 'Alexis''* French – Alexis * Italian – Alessio * Spanish – Alejo, Alexis * Portuguese – Aleixo * Latvian – Alexius, Aleksis, Aleksejs * Polish – Aleksy * Czech – Aleš, Alexej * Slovak – Aleš * Estonian – Aleksei * Bulgarian – Алексей leksej* Serbian – Aleksa * Finnish – Aleksi, Aleksis * Macedonian – Aleksio * Georgian – ალექსი, 'Aleksi'' * Belarusian – Аляксей leksiej* Russian – Алексей 'Alexei'', ''Alexey'', ''Aleksei'', ''Aleksey', Алексий 'Alexiy', Алёша 'Alyosha', Лёша 'Lyosha''* Ukrainan – Олексій 'Oleksii'', ''Oleksiy'' Олекса 'Oleksa''* Hungarian – Elek {{given name Given names of Greek language origin Greek masculine given names Masculine given names Given names