| Ali Shamsuddin | |
| Native Name: | علي شمس الدّين |
| Honorific Suffix: | 30th Da'i al-Mutlaq of the Dawoodi Bohra |
| Death Place: | Yemen |
| Resting Place: | Hisn-e-Af'edah, Yemen |
| Office1: | Da'i al-Mutlaq |
| Term Start1: | 1633 AD (1041 AH) |
| Term End1: | 1634 AD (1042 AH) |
| Predecessor1: | Abduttayyeb Zakiuddin |
| Successor1: | Qasim Khan Zainuddin |
| Father: | Syedi Hasan bin Idrees |
| Mother: | Na'ama BaiSaheba |
| Religion: | Islam |
| Sect: | Isma'ili |
| Subsect: | Dawoodi Bohra |
| Background: |
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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).[1] His period of Dawat was 1041–1042 AH (1633–1634 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. Syedna Ali resided in Yemen and led da'wat from there. He is buried in Hisn-e-Af'eda, Yemen.
Syedna Ali Shamsuddin appointed Syedna Qasim Khan Zainuddin as the next Da'i.