Neoptolemus I of Epirus was a Greek king of Epirus and son of Alcetas I, and father of Troas, Alexander I of Epirus and Queen Olympias. He was the maternal grandfather of Alexander the Great and great-grandfather of Pyrrhus of Epirus. He claimed he was a descendant of the hero Achilles and King Lycomedes, while Emperor Caracalla claimed that he was a descendant of Neoptolemus.