 Khaydhar ibn Kawus al-Afshin

Ḥaydar ibn Kāwūs (), better known by his hereditary title of al-Afshīn (), was a senior general of Iranian descent at the court of the Abbasid caliphs and a vassal prince of Oshrusana.He played a leading role in the campaigns of Caliph al-Mu'tasim, and was responsible for the suppression of the rebellion of Babak Khorramdin and for his battlefield victory over the Byzantine emperor Theophilos during the Amorium campaign.