معز الدولة ابو الحسين أحمد بويه (ar), Muïzz al-Dawla (ca), Mu'izz al-Dawlah Abu al-Husayn Ahmad (en), Mu'izz al-Dawla (es), معزالدوله دیلمی (fa), Muizz ad-Dawla Ahmad (fr), Mu'izz al-Daula (sh)
Ahmad ibn Buya (Persian: احمد بن بویه), after 945 better known by his laqab of Mu'izz al-Dawla (Arabic: المعز الدولة الحمداني,
"Fortifier of the Dynasty"), was the first of the Buyid emirs of Iraq, ruling from 945 until his death. (en)