Bou Saada (Arabic: بو سعادة, bu s‘adah, meaning "place of happiness[1]") is a town and municipality in M'Sila Province, Algeria, situated 245 km south of Algiers.

Bou-Saada is located in the southwest of the Hodna region in the Hauts Plateaux, at the feet of the Ouled Naïl Range of the Saharan Atlas.

Bou-Saada has traditionally been an important market place producing and selling jewelry, metalwork, carpets and bousaadi knives.

Bou-Saada has two quarters, the old medina (ksar) within the city walls with arched alleyways, and the French town to the south.

It has had the following incumbents, of the fitting episcopal (lowest) rank : In the municipality, located not far from the village of Ben Srour, are several petroglyph sites of archaeological interest.