Mu'ayyad al-Dawla

Mu'ayyad al-Dawla
Coin of Mu'ayyad al-Dawla
Amir of Gorgan
Reign981–983
PredecessorPost Created
SuccessorFakhr al-Dawla
Amir of Tabaristan
Reign980–983
PredecessorPost Created
SuccessorFakhr al-Dawla
Amir of Rey (Jibal)
Reign977–983
PredecessorFakhr al-Dawla
SuccessorFakhr al-Dawla
Amir of Hamadan
Reign976–983
PredecessorRukn al-Dawla
SuccessorFakhr al-Dawla
Born7 March 942
Died983
Names
Laqab: Mu'ayyad al-Dawla
Kunya: Abu Mansur
Given name: Buya
FatherRukn al-Dawla
ReligionShia Islam

Abu Mansur Buya (Persian: ابو منصور بویه; died 983), better known by his honorific title of Mu'ayyad al-Dawla (Arabic: مویدالدوله, lit.'Helper of the State') was the Buyid amir of Hamadan (976–983), Jibal (977–983), Tabaristan (980–983), and Gorgan (981–983). He was the third son of Rukn al-Dawla.