Dariush (Persian: داریوش), also spelled Darioush, Daryoush, or Daryoosh, is a Persian-language masculine given name.
It went on to enjoy considerable popularity as a given name among Persian noblemen in later periods.
Historically, the name has been transliterated into Latin and later into English as "Darius" and is well-known to the Western world in this form.
The Modern Persian داریوش Dāriūsh, Latin Dārīus, Dārēus, Greek Δαρεῖος Dareîos, Aramaic drwš, drywš, Elamite Da-ri-ya-(h)u-(ú-)iš, Akkadian Da-(a-)ri-muš, Egyptian tr(w)š, trjwš, intr(w)š, intrjwš, Lycian Ñtarijeus-, and Old Persian Dārayauš, are short forms of Old Pers.
𐎭𐎠𐎼𐎹𐎺𐎢𐏁 Dārayavauš, (Greek Dareiaîos, Aramaic dryhwš, Elamite Da-ri-(y)a-ma-u-iš, Akkadian Da-(a-)ri-ia-(a-)muš).