Abū Shujā' Muḥammad ibn al-Ḥusayn al-Rūdhrāwarī, also known by the honorific "Zaḥīr al-Dīn", was an 11th-century government official and author who served as vizier for the Abbasids twice, once briefly in 1078 and the second time from 1083/4 until 1094. He wrote a continuation to Miskawayh's history Tajārib al-umam. He also wrote a diwan of poetry, of which about 80 verses survive.