Mustafa ibn Mahmud
| Mustafa ibn Mahmud | |
|---|---|
| Bey of Tunis | |
| Reign | 20 May 1835 – 10 October 1837 | 
| Predecessor | Al-Husayn II ibn Mahmud | 
| Successor | Ahmad I ibn Mustafa | 
| Born | Mustafa ibn Mahmud Bey August 1787 Tunis, Kingdom of Tunisia | 
| Died | 10 October 1837 (aged 50) La Goulette, Kingdom of Tunisia | 
| Burial | |
| Spouse | Francesca Rosso di Sofia | 
| Issue | Ahmad I ibn Mustafa | 
| Dynasty | Husainides | 
| Father | Mahmud ibn Muhammad | 
| Religion | Islam | 
Mustafa I (1786–1837) (Arabic: مصطفى الأول), commonly known as Mustapha Bey, was the ninth leader of the Husainid Dynasty and the ruler of Tunisia from 1835 until his death in 1837.