Erigyius (in Greek Ἐριγυιoς; died 328 BC), a Mytilenaean, son of Larichus, was an officer in Alexander the Great's army.
He had been driven into banishment by Philip II, king of Macedon, because of his faithful attachment to Alexander, and returned when the latter came to the throne in 336 BC.
In the same year Erigyius was entrusted with the command of one of the three divisions with which Alexander invaded Hyrcania.
In 329 BC, together with Craterus and Hephaestion, and with the assistance of Aristander, a soothsayer, he endeavoured to dissuade Alexander from crossing the Jaxartes river against the Scythians.
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