| Al-Husayn I ibn Ali | |
|---|---|
| Possessor of the Kingdom of Tunis | |
| Bey of Tunis | |
| Reign | 12 July 1705 – 8 September 1735 |
| Predecessor | Ibrahim Sharif |
| Successor | Ali I |
| Born | 1675 Le Kef, Tunisia |
| Died | 13 September 1740 (aged 64–65) Kairouan, Beylik of Tunis |
| Burial | |
| Spouse | Lalla Fatma Ghazalia Lalla Fatma Bent Osman Lalla Jannat |
| Issue | Muhammad I Rashid Ali II |
| Dynasty | Husainides |
| Father | Ali Turki |
| Mother | Hafsia Charnia |
| Religion | Islam |
Al-Husayn I ibn Ali, also known as Hussein I (Arabic: حسين الأول; born in 1675 – 13 September 1740) was the founder of the Husainid Dynasty, which ruled Tunisia until the abolition of the monarchy in 1957.