Mu'in al-Din Ali Husayni Sarabi Tabrizi, commonly known by his laqab (honorific title) of Qasim-i Anvar (Persian: قاسم انوار; 1356 – 1433) was a Sufi mystic, poet, and a leading da'i (preacher) of the Safavid order.

Following his completion of his training at the city of Ardabil, Qasim-i Anvar given the khirqa by Sadr al-Din Musa.

[1] He initially stayed at Nishapur, but was forced to move to Herat due to facing hostility from the ulama (clergy).

[1] Following his banishment from Herat, Qasim-i Anvar went to the city of Samarkand, where he stayed at the court of Shahrukh's son, Ulugh Beg (died 1449).

"[2] However, it may also indicate the rise of bilingualism in Qasim-i Anvar's birth region, where Fahlavi and Turkic speakers started to get in touch with each other.