The Parni (/ˈpɑːrnaɪ/; Ancient Greek: Πάρνοι, Parnoi) or Aparni (/əˈpɑːrnaɪ/; Ἄπαρνοι, Aparnoi) were an east Iranian people of the Ochus (Ancient Greek: Ὧχος Okhos) (Tejen) River valley, southeast of the Caspian Sea. The Parni were one of the three tribes of the Dahae confederacy.