In ancient Greece, Echecrates () was the name of the following men: Echecrates of Thessaly, a military officer of Ptolemy IV Philopator, documented around 219–217 BC. A son of Demetrius the Fair (c. 285–250 BC) by Olympias of Larissa, and brother of Antigonus III Doson. He had a son named Antigonus after his uncle.Liv. xl. 54; see vol. i. pp. 187, 189, b. Three Pythagorean philosophers mentioned by Iamblichus:Vit. Pyth. ad fin. A Locrian, one of those to whom Plato is said to have gone for instruction.Cic. de Fin. v. 29. The name Caetus in Valerius Maximusviii. 7, Ext. 3 is perhaps an erroneous reading for Echecrates. A Tarentine, probably the same who is mentioned in Plato's Ninth Letter. Echecrates of Phlius, a contemporary with Aristoxenus the Peripatetic.Diog. Laërt. viii. 46; comp. Gell. iv. 11; Fabric. Bibl. Graec. i. p. 861.

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