Polyphron (Ancient Greek:Πολύφρων) was a tyrant ofPherae andTagus of theThessalian League (370-369 BC).

In 370 BC, Polyphron succeededJason of Pherae together with his brotherPolydorus, and the brothers shared the power as co-tyrants. However this dual tyranny did not last long, as Polyphron murdered his brother the same year, effectively becoming the sole ruler.^[1]

Polyphron turned out to be a cruel tyrant, he put to death few of the best citizens ofPharsalus, among themPolydamas, and exiled many more fromLarissa.

In 369 BC he was murdered byAlexander of Pherae, who became a tyrant himself.^[2]

•   This article incorporates text from a publication now in thepublic domain: Smith, William, ed. (1870). "Polyphron".Dictionary of Greek and Roman Biography and Mythology.