Abu'l-Barakat Hibat Allah ibn Malka al-Baghdadi (; c. 1080 – 1164 or 1165 CE) was an Islamic philosopher and physician of Jewish descent from Baghdad, Iraq. Abu'l-Barakat, an older contemporary of Maimonides, was originally known by his Hebrew birth name Baruch ben Malka and was given the name of Nathanel by his pupil Isaac ben Ezra before his conversion from Judaism to Islam towards the end of his life.