Mahmud Ahmad
| Mahmud bin Ahmad | |
|---|---|
| Born | 25 September 1978 Batu Caves, Gombak District, Selangor, Malaysia | 
| Died | 7 June 2017 (aged 38) Marawi City, Lanao del Sur, Philippines | 
| Nationality | Malaysian | 
Mahmud bin Ahmad, known as Abu Handzalah (25 September 1978 – 7 June 2017), was a Malaysian professor of Islamic law and a senior Islamic militant with Abu Sayyaf in the Philippines.