Abu ʿĀmir Muḥammad ibn ʿAbdullāh ibn Abi ʿĀmir al-Maʿafiri (Arabic: أبو عامر محمد بن عبد الله بن أبي عامر المعافري), nicknamed al-Manṣūr (Arabic: المنصور, "the Victorious"), which is often Latinized as Almanzor (c. 938 – 8 August 1002), was a Muslim Arab Andalusi military leader and statesman. As the chancellor of the Umayyad Caliphate of Córdoba and hajib (chamberlain) for the weak Caliph Hisham II, Almanzor was the de facto ruler of Islamic Iberia.