Syed Sultan Mahmoodullah Shah Hussaini (died 1894 CE), also known as "Shah ji", was a renowned Muslim Sufi, saint and scholar of the Quadri, Chisti order from the Indian subcontinent.

[1][2] Syed Sultan Mahmoodullah Shah Hussaini was a spiritual student (murid or disciple) of the famous sufi Shaikh Syed Burhanuddin Haqqani Haqnuma (whose tomb is situated in Trunk Road, Rayachoti, Kadapa district of Andhra Pradesh).

Many scholars of twin cities learned the intricacies of Tauheed and Tasawwuf from him.

His mazar (grave) is situated in Takia Munnamiya, beside Osmania general Hospital, Afzalgunj, Hyderabad.

[1] His annual Urs is organized by his present successor Moulana Ghousavi Shah (Secretary General:The Conference of World Religions & President: All India Muslim Conference)[3][4] on 29th Rabi-us-sani every year.