Yazid ibn 'Abd al-Malik ibn al-Mughirah ibn Nawfal ibn Harth ibn 'Abd al-Muttalib (d. 167/783) is one of the authorities among narrators of hadith. He narrated in his works the sermons of al-'Imam 'Ali (as). In one of his works entitled Tuhfat al-'ahbab wa ma'rifat imamat sayyid uli al-'albab, he has copied in full a sermon of al- Imam 'Ali (as) that was delivered on the occasion of the assassination of the Third Caliph and al-'Imam 'Ali's taking reigns of the caliphate into his hands. This risalah is included in a collection of rasa'il owned by Imam Yahya of Yaman. At the present it is in the British Museum Library, London.
