Qasim Khan Zainuddin

Syedna Qasim-Khan Zainuddin 31st Da'i al-Mutlaq of the Dawoodi Bohra
قاسِم خان زَينُ الدّين
Mazar-e-Qutbi, Ahmedabad, where Syedna Qasim-Khan is buried.
Da'i al-Mutlaq
In office 1634 AD (1042 AH) – 1646 AD (1054 AH)
Preceded by	Ali Shams al-Din IV
Succeeded by	Qutub Khan Qutbuddin
Title	Syedna Maulana al-Dā'ī al-Mutlaq al-Dā'ī al-Ajal al-Fātimi
Personal
Died	1646 CE (1054/56 AH)
Resting place	Ahmedabad, India
Religion	Islam
Sect	Isma'ili Dawoodi Bohra
Jurisprudence	Mustaali Tayyabi

Syedna Qasim-Khan Zainuddin was the 31st Dai of the Dawoodi Bohras (died on 23 Jumadil Akhir 1054/56 AH/August 25(?) 1646 CE in Ahmedabad, India). He succeeded the 30th Dai Syedna Ali Shamsuddin to the religious post.