List of Famous people named Demetrios

Demetrios Ypsilantis was a member of the prominent Phanariot Greek family Ypsilantis, dragomans of the Ottoman Empire. He served as an officer in the Imperial Russian Army and played an important role in the Greek War of Independence. Ypsilantis was the brother of Alexander Ypsilantis, leader of Filiki Eteria.

Demetrios I Kantakouzenos was a governor of the Morea and the grandson of Emperor John VI Kantakouzenos. Demetrios was the son of Matthew Kantakouzenos, governor of Morea, and Irene Palaiologina. Demetrios was given the title of sebastokrator by Emperor John V Palaiologos in December 1357 and went to the Peloponnese with his father and grandfather in 1361.

Demetrios Angelos Doukas, was ruler of Thessalonica with the title of Despot as a vassal of the Empire of Nicaea from 1244 until his deposition in 1246.

Demetrios Christodoulou is a Greek mathematician and physicist, who first became well known for his proof, together with Sergiu Klainerman, of the nonlinear stability of the Minkowski spacetime of special relativity in the framework of general relativity. Christodoulou is a 1993 MacArthur Fellow.

Demetrios Chalkokondyles, Latinized as Demetrius Chalcocondyles and found variously as Demetricocondyles, Chalcocondylas or Chalcondyles was one of the most eminent Greek scholars in the West. He taught in Italy for over forty years; his colleagues included Marsilius Ficinus, Angelus Politianus, and Theodorus Gaza in the revival of letters in the Western world, and Chalkokondyles was the last of the Greek humanists who taught Greek literature at the great universities of the Italian Renaissance. One of his pupils at Florence was the famous Johann Reuchlin. Chalkokondyles published the first printed publications of Homer, of Isocrates, and of the Suda lexicon.

Demetrios Kydones, Latinized as Demetrius Cydones or Demetrius Cydonius, was a Byzantine theologian, translator, writer and influential statesman, who served an unprecedented three terms as Mesazon of the Byzantine Empire under three successive emperors: John VI Kantakouzenos, John V Palaiologos and Manuel II Palaiologos.

Demetrios Palaiologos or Demetrius Palaeologus was Despot of the Morea together with his brother Thomas from 1449 until the fall of the despotate in 1460. Demetrios and Thomas were sons of Byzantine Emperor Manuel II Palaiologos, and brothers of the final two emperors John VIII and Constantine XI. Demetrios had a complicated relationship with his brothers, who he frequently quarreled with, usually over the matter of Demetrios's wish to establish himself as the most senior of them and claim the imperial throne for himself.