ʿAlāʾ ad-Dīn al-Baṣīr was a mamluk who became an emir. He was a supervisor of Jerusalem's waqf charitable endowments (nāẓir al-awqāf)and inspector of the Two Noble Sanctuaries (nāẓir al-Ḥaramayn ash-Sharīfayn) of Jerusalem and Hebron. He lived during the final years of the Ayyūbid dynasty (under aṣ-Ṣāliḥ) and the beginning of the Mamlūk dynasty (under Baybars and Qalāwūn).