Persian Other languages Armenian , Assyrian Neo-Aramaic , Azeri , Kurdish , Luri , Balochi , Arabic , Turkmen Demonym Iranian Government Islamic republic  -  Supreme Leader Ali Khamenei  -  President Mahmoud Ahmadinejad  -  First Vice President Mohammad-Reza Rahimi  -  Speaker of the Parliament Ali Larijani  -  Chief Justice Sadegh Larijani Legislature