| Ala ud-din Sikandar Shah | |
| Reign: | 22 January − 8 March 1394 |
| Coronation: | 1 February 1394 |
| Predecessor: | Nasir ud din Muhammad Shah III |
| Successor: | Nasir-ud-Din Mahmud Shah Tughluq |
| Dynasty: | Tughlaq dynasty |
| Father: | Nasir ud din Muhammad Shah III |
| Birth Date: | unknown |
| Death Date: | 8 March 1394 |
| Religion: | Islam |
| Succession: | 23rd Sultan of Delhi |
Ala ud-din Sikandar Shah (Persian: {{nq|علاء الدین سکندر شاه, born Humayun Khan; Persian: {{nq|همایون خان), was the son of Sultan Muhammad Shah Tughluq. He ascended the imperial throne in virtue of his being heir apparent, as Ala-ud-din Sikandar Shah on 1 February 1394 C.E. He was a pious and devout king who never missed his namaz prayers but after one month and sixteen days he died of natural causes.