Parmenion (also Parmenio) (ca.

400–Ecbatana, 330 BCE) is a Macedonian general in the service of Philip II of Macedon and Alexander the Great, murdered on a suspected false charge of treason.

Parmenion is the son of a Macedonian nobleman Philotas.

His early career is unknown.

During the reign of Philip II Parmenion obtains a great victory over the Illyrians in 356 BCE.

He is one of the Macedonian delegates appointed to conclude peace with Athens in 346 BCE, and is sent with an army to uphold Macedonian influence in Euboea in 342 BCE.

Parmenion rises to become Philip's chief military lieutenant.