Syedna Ali Shamsuddin bin Maulaya Hasan was the 30th Dai of the Dawoodi Bohras (died 25 Rabi-ul-akhir 1042 AH or 1634 AD, Yemen).

He succeeded the 29th Dai Syedna Abduttayyeb Zakiuddin to the religious post.

Syedna Shamsuddin became Da'i al-Mutlaq in 1041 AH (1633 AD).

[2][3] Syedna Ali Shamsuddin was the son of Syedi Hasan bin Idris.

Syedna Ali's mother was Na'ama baisaheba, daughter of Syedi Hasan bin Nooh Bharuchi.