Heliodorus (hē"lēōdôr'us) [key], fl. 175 B.C., Syrian statesman. The treasurer of Seleucus IV (Seleucus Philopator), he murdered the king and attempted unsuccessfully to usurp the throne. According to the Book of Second Maccabees, he entered the Temple at Jerusalem but was prevented from taking the treasure by three angels.
