Argaeus I (Greek: Αργαίος) was king of Macedon from about 678 BC to about 640 BC. He succeeded in the throne his father Perdiccas I.
Argaeus left as successor his son Philip I .
He is mentioned by Herodotus after 8.138 and by Junianus Justinus.
Herodotus Book 8
From the Perdiccas of whom we have here spoken, Alexander was descended in the following way:—Alexander was the son of Amyntas, Amyntas of Alcetas; the father of Alcetas was Aeropus; of Aeropus, Philip; of Philip, Argaeus; of Argaeus, Perdiccas, the first sovereign. Such was the descent of Alexander.
Preceded by: Perdiccas I
King of Macedon 678 BC–640 BC
Succeeded by: Philip I