| Conflict: | Battle of Sidi Abdullah |
| Partof: | the Italo-Turkish War |
| Date: | 3 March 1912 |
| Place: | Derna, Ottoman Tripolitania (now Libya) |
| Coordinates: | 32.7556°N 22.6377°W |
| Result: | Ottoman-Sennusi victory[1] |
| Combatant1: | Kingdom of Italy |
| Combatant2: | Senussi Order |
| Commander1: | Luigi Capello |
| Commander2: | Mustafa Kemal Bey İsmail Enver Bey Ahmed Sharif as-Senussi |
| Strength1: | 15,000-16,000 |
| Strength2: | 8 officers160 soldiers 7,742 Arabs |
| Casualties1: | 150-200 |
The Battle of Derna, also known as the Battle of Sidi Abdullah (Arabic: معركة سيدي عبد الله), occurred near Derna on 3 March 1912, during the Italo-Turkish War. The battle took place between the Italians led by Luigi Capello and Ottoman-Senussi Forces led by Enver Pasha and Ahmed Sharif as-Senussi.