Mansur ibn Yazid ibn Mansur al-Himyari al-Ru'ayni (Arabic: منصور بن يزيد بن منصور الحميري الرعيني) was an eighth century official for the Abbasid Caliphate.
He was the son of Yazid ibn Mansur, a maternal uncle of the third Abbasid caliph al-Mahdi.
[1] In 779 he spent two months as governor of Egypt.
[2] Between 781/2 and 783 he was governor of the Yemen,[3] and in 796 he briefly served as the governor of Khurasan.
[4]