Abu Muslim Abd al-Rahman ibn Muslim Khorasani or al-Khurasani (Arabic: أبو مسلم عبد الرحمن بن مسلم الخراساني, c. 700 – 755), born Vehzādān Pūr-i Vandād Hormoz (Persian: وهزادان پور ونداد هرمزد), was a general in service of the Abbasid dynasty, who led the Abbasid Revolution that toppled the Umayyad dynasty.