List of Famous people with last name Doukas

Theodore Komnenos Doukas was ruler of Epirus and Thessaly from 1215 to 1230 and of Thessalonica and most of Macedonia and western Thrace from 1224 to 1230. He was also the power behind the rule of his sons John and Demetrios over Thessalonica in 1237–1246.

Constantine X Doukas or Dukas, Latinised as Ducas, was Byzantine Emperor from 1059 to 1067. He was the founder and first ruling member of the short-lived Doukid dynasty. During his reign, the Normans took over much of the remaining Byzantine territories in Italy while in the Balkans the Hungarians occupied Belgrade. He also suffered defeats by the Seljuk sultan Alp Arslan.

Michael VII Doukas or Dukas/Ducas, nicknamed Parapinakes, was Byzantine emperor from 1071 to 1078.

Andronikos Doukas, Latinized as Andronicus Ducas, was a protovestiarios and protoproedros of the Byzantine Empire.

Konstantios Doukas, Latinized as Constantius Ducas, was a junior Byzantine emperor from 1060–1078, and a senior Byzantine emperor for a short time in 1078. Konstantios was the son of Emperor Constantine X Doukas and Empress Eudokia Makrembolitissa. Upon his birth, he was elevated to junior emperor, along with his brother Michael VII. He remained as junior emperor during the reigns of Constantine, Romanos IV Diogenes, and Michael VII, before he became senior emperor on 31 March 1078, due to the abdication of Michael VII. He was soon handed over to Nikephoros III, a usurper, due to his inability to rule. He was sent to live in a monastery, where he stayed until recalled by Alexios I Komnenos, who made him a general. He was killed on 18 October 1081, in the Battle of Dyrrhachium.

John Doukas, Latinized as Ducas, was the eldest son of Constantine Angelos by Theodora Komnene, the seventh child of the Byzantine Emperor Alexios I Komnenos and Irene Doukaina. John Doukas took the family name of his grandmother Irene. He served as a military commander under Manuel I Komnenos and Isaac II Angelos. Isaac II, who was Doukas's nephew, raised him to the high rank of sebastokrator. Despite his advanced age, he continued to be an active general in the 1180s and 1190s, and until shortly before his death aspired to the imperial throne. He was the progenitor of the Komnenos Doukas line, which founded the Despotate of Epirus after the Fourth Crusade.

Manuel Komnenos Doukas, Latinized as Ducas, commonly simply Manuel Doukas and rarely also called Manuel Angelos, was ruler of Thessalonica from 1230 to 1237 and, after his expulsion from Thessalonica, of Thessaly from 1239 until his death in c. 1241.

Nikephoros I Komnenos Doukas, Latinized as Nicephorus I Comnenus Ducas, was ruler of Epirus from 1267/8 to c. 1297.

John Doukas was a member of the Doukas family, a relative of Byzantine emperor Alexios I Komnenos and a senior military figure of his reign. As governor of Dyrrhachium, he secured the imperial possessions in the western Balkans against the Serbs. Appointed megas doux, he scoured the Aegean of the fleets of the Turkish emir Tzachas, suppressed rebellions in Crete and Cyprus, and then recovered much of the western coast of Anatolia for Byzantium.

Michael II Komnenos Doukas, Latinized as Comnenus Ducas, often called Michael Angelos in narrative sources, was from 1230 until his death in 1266/68 the ruler of the Despotate of Epirus, which included Epirus in northwestern Greece, the western part of Greek Macedonia and Thessaly, and western Greece as far south as Nafpaktos.