Sayyid ʿAlī (Arabic: سيد علي) was the 41st imam of the Qasim-Shahi branch of the Nizari Isma'ili community.
[1] Sayyid Ali succeeded his father Shah Nizar II when the latter died in September 1722.
[2] Like his father, he resided at Kahak in central Persia, where he died in 1754.
[3] He was buried in his father's mausoleum in Kahak; his tomb is located in the largest of the mausoleum's chambers.
[4] His son Sayyid Hasan Ali succeeded him.