Mahmud I of Delhi
| Mahmud I | |
|---|---|
| Sultan | |
| Silver tanka of Nasir ud Din Mahmud | |
| 8th Sultan of Delhi | |
| Reign | 10 June 1246 – 18 February 1266 | 
| Coronation | 10 June 1246 in Delhi | 
| Predecessor | Ala ud din Masud | 
| Successor | Ghiyasuddin Balban | 
| Born | 1229 or 1230 Delhi | 
| Died | 18 February 1266 (aged 35–37) Delhi | 
| Spouse | Malikah-i-Jahan Khani, daughter of Ghiyasuddin Balban | 
| House | Mamluk Dynasty (Delhi) | 
| Father | Shamsuddin Iltutmish (or possibly Iltutmish's son Nasiruddin Mahmud) | 
| Mother | Malikah-i-Jahan Jalal-ud-Dunya-wa-uddin | 
| Religion | Islam | 
| Military career | |
| Years of service | 1246 - 1266 | 
Nasir ud din Mahmud Shah (Persian: ناصر الدین محمود شاه; 1229/1230 – 19 November 1266, reigned: 1246–1265) also known as Mahmud I, was the eighth Sultan of Delhi. The Tabaqat-i Nasiri, written by the court historian Minhaj-i-Siraj, is dedicated to him. His father-in-law Ghiyas ud din Balban handled the state affairs during his reign.