- The Great Mosque of Algiers (Arabic: الجامع الكبير, Jemaa Kebir) was built in Algiers, Algeria in 1097.
- It is one of the few remaining examples of Almoravid architecture.
- It was built under sultan Ali ibn Yusuf. Its minaret dates from 1324 and was built by the Ziyyanid sultan of Tlemcen.
- The gallery at the outside of the mosque was built in 1840. Its construction was a consequence of a complete reconstruction of the street by the French.
- The mosque is situated at the Rue de la Marine.