Pharnaces (died 334 BC, Greek: Φαρνάκης) was a Persian noble of the 4th century BC apparently belonging to the Pontic-Cappadocian nobility.[1] His sister was a wife of Darius III.[2][3] They had a son named Ariobarzanes and a daughter who married Mithridates and thus they were nephews of Pharnaces.[4][5][6] He was one of the Persian commanders in the battle of the Granicus in 334 BC in Asia Minor (modern-day Turkey), and was killed during the battle.[2]