Arukku (Old Persian: *Aryauka or *Aryavuka, or *Aryūka; Neo-Assyrian Akkadian: 𒀀𒊒𒊌𒆪, romanized: Arukku; Elamite: 𒄯𒊑𒌋𒊌𒋡, romanized: Har(r)iuwukka; Imperial Aramaic: 𐡀𐡓𐡉𐡅𐡊, romanized: Aryuk; * before 656 BC) was the eldest son of King Kuras (Cyrus I) from Parsumaš.