People

• Euthydemus (commander), (late 5th century BC) a fleet commander for Athens during the Sicilian Expedition, 415 to 413 BC
• Euthydemus, (5th/4th century BC) son of Cephalus, mentioned in Plato's Republic
  Republic (Plato)
  The Republic is a Socratic dialogue written by Plato around 380 BC concerning the definition of justice and the order and character of the just city-state and the just man...
  
  
• Euthydemus I
  Euthydemus I
  Euthydemus I , Greco-Bactrian king in about 230 or 223 BCE according to Polybius., he is thought to have originally been a Satrap of Sogdiana, who overturned the dynasty of Diodotus of Bactria and became a Greco-Bactrian king. Strabo, on the other hand, correlates his accession with internal...
  
  , (3rd century BC) a ruler of the Greco-Bactrian Kingdom
• Euthydemus II
  Euthydemus II
  Euthydemus II was a son of Demetrius I of Bactria, and became king of Bactria in the 180s BCE, either after his father's death or as a sub-king to him. The style and rare nickel alloys of his coins associates him closely in time with the king Agathocles but their precise relation remains uncertain...
  
  , (2nd century BC) a ruler of the Greco-Bactrian Kingdom
• Euthydemus (tyrant)
  Euthydemus (tyrant)
  Euthydemus was a tyrant of the ancient Greek city-state of Sicyon in the 3rd century BC. He ruled jointly with Timocleidas, but the two were deposed by the citizens of Sicyon. They replaced Euthydemus and Timocleidas with Cleinias, although the historian Plutarch believed that Timocleidas ruled...
  
  , (3rd century BC) a tyrant of Sicyon