Sidi Bel Abbès (Arabic: ولاية سيدي بلعباس) is one of the provinces (wilayas) of Algeria.
Its name is derived from the name of its capital, the city of Sidi Bel Abbès.
The province was created from Oran (department) in 1974.
In 1984, Aïn Témouchent Province was carved out of its territory.
Lake Sidi Mohamed Benali is located in Sidi Bel Abbès Province, within the commune of Aïn Tindamine.