Yahya ibn Idris ibn Umar

Yahya IV
يحيى الرابع
Emir of Morocco
Reign905–922
PredecessorYahya III
SuccessorPosition abolished (annexed to the Fatimid Caliphate)
Died946
al-Mahdiya
Names
Yahya ibn Idris ibn Umar
DynastyIdrisid
FatherIdris ibn Umar ibn Idris
ReligionIslam

Yahya IV or Yahya ibn Idris ibn Umar (Arabic: يحيى بن إدريس بن عمر) was an Idrisid ruler of Morocco, ruling in Fes from 905 to 922. For the last three years of his reign, he acknowledged the overlordship of the Fatimid Caliphate, until he was deposed by the Fatimid general Masala ibn Habus. He died in exile at the Fatimid capital of al-Mahdiya in 946.