Aristarchus may refer to: People Aristarchus of Tegea (5th century BC), Greek writer Aristarchus of Athens, (5th century BC), one of the leaders of the Athenian coup of 411 BC Aristarchus of Athens, though apparently different from the above, a conversation between whom and Socrates is recorded by Xenophon in his Memorabilia (2.7.) Aristarchus of Sparta, harmost of Byzantium in 400 BC Aristarchus (physician), royal physician to the court of Syria in the 3rd century BC Aristarchus of Samos (c. 310–230 BC), Greek astronomer and mathematician Aristarchus of Samothrace (c. 220–143 BC), Greek grammarian Aristarchus, one of the ambassadors sent by the Phocaeans to Seleucus IV Philopator, the son of Antiochus III the Great, in 190 BC Aristarchus of Colchis (fl. 63–50 BC), Colchian dynast, appointed by Pompey after the close of the Mithridatic Wars Aristarchus of Thessalonica (1st century AD), Eastern saint and early Christian mentioned in a few passages in the New Testament Aristarchus the Chronographer, author of a letter on the situation of Athens, and the events which took place there in the 1st century AD, and especially of the life of Dionysius the Areopagite Aristarchus of Alexandria (date unknown), the author of a work on the interpretation of dreams, mentioned by Artemidorus in the 2nd century Other 3999 Aristarchus, a main-belt asteroid Aristarchus (crater), on the Moon See also Aristarchos 2.3 m Telescope Project