Abū Yazīd Makhlad ibn Kaydād, also known as the Man on the Donkey, was an Ibadi Berber of the Banu Ifran tribe who led a rebellion against the Fatimid Caliphate in Ifriqiya starting in 944. Abu Yazid conquered Kairouan for a time, but was eventually driven back and defeated by the Fatimid caliph al-Mansur bi-Nasr Allah.

The Ibadi movement or Ibadism is a branch of Islam. It has been called by some the third branch of Islam, along with Sunni Islam and Shia Islam. The followers of Ibadism are known as the Ibadis.