Alauddin Ali Shah
| Alauddin Ali Shah | |
|---|---|
| Sultan of Lakhnauti | |
| Reign | 1338–1342 | 
| Predecessor | Qadar Khan | 
| Successor | Shamsuddin Ilyas Shah | 
| Born | Ali Mubarak | 
| Died | 1342 Bengal Sultanate | 
| Religion | Islam | 
Alī Mubārak (Persian: علی مبارک), better known by his regnal title `Alā ad-Dīn `Alī Shāh (Bengali: আলাউদ্দীন আলী শাহ, Persian: علاء الدین علی شاه; r. 1338–1342) was an independent Sultan of Lakhnauti in Bengal. He was the foster brother of Shamsuddin Ilyas Shah, the eventual founder of the Bengal Sultanate.