Ali Jah
| Zain-ud-Din Ali Khan | |
|---|---|
| Shuja ul-Mulk (Hero of the country) Mubarak ud-Daulah (Auspicious to the state) Ali Jah (Of Higher Rank) Feroz Jang (Victor in War) | |
| Nawab Nazim of Bengal and Bihar | |
| Reign | 5 June 1810 – 6 August 1821 |
| Coronation | 5 June 1810 |
| Predecessor | Baber Ali Khan |
| Successor | Ahmad Ali Khan |
| Born | c. 1792 Murshidabad, Bengal, British India |
| Died | 6 August 1821 (aged 28–29) Murshidabad, Bengal, British India |
| Issue | 3 daughters |
| Dynasty | Najafi |
| Father | Baber Ali Khan |
| Mother | Babbu Begum |
| Religion | Shia Islam |
Zain-ud-Din Ali Khan (died 6 August 1821), better known as Ali Jah was the Nawab of Bengal and Bihar. He succeeded his father, Baber Ali Khan after his death on 28 April 1810. He was succeeded by his half-brother, Ahmad Ali Khan, after his death.