Dellys is a district in Boumerdès Province, Algeria. It was named after its capital, Dellys.

The district is further divided into 3 municipalities:

• Dellys
• Ben Choud
• Aafir

• Shipwreck of Dellys (15 May 1830), commanded by Captain Armand Joseph Bruat (1796-1855) and Captain Félix-Ariel d'Assigny (1794-1846).
• First Battle of the Issers (27 May 1837), commanded by General Alexandre Charles Perrégaux (1791-1837) and Colonel Maximilien Joseph Schauenburg (1784-1838).
• First Assault of Dellys (28 May 1837), commanded by Captain Félix-Ariel d'Assigny (1794-1846).
• Second Assault of Dellys (12 May 1844), commanded by General Thomas Robert Bugeaud (1784–1849).

This commune saw the creation of several clandestine torture centers during the Algerian revolution:

• Camp Gualota in the commune of Dellys.

• 2007 Dellys bombing (8 September 2007)

• Abderrahmane Abdelli, musician
• Habib Ayyoub, writer
• Abderrahmane Benhamida, former Minister of Education
• Abderrahmane Hammad, athlete
• Mokhtar Hasbellaoui, doctor
• Abderrahman Ibrir, footballer
• Rachid Nadji, footballer
• Sidi Yahya al-Tadallisi al-Thaalibi, imam
• Mu'izz ud-Dawla ibn Sumadih, ruler
• Abdelkader Zerrar [fr], Algerian footballer.

36°55′N 3°53′E / 36.917°N 3.883°E / 36.917; 3.883