Robbah () is a town and commune, and capital of Robbah District, in El Oued Province, Algeria. According to the 2008 census it has a population of 21,965, up from 17,243 in 1998, and an annual growth rate of 2.5%. The town lies about southeast of the provincial capital El Oued and forms a part of its larger urban area.
Robbah has a hot desert climate (Köppen climate classification BWh), with very hot summers and mild winters. Rainfall is light and sporadic, and summers are particularly dry.
7.2% of the population has a tertiary education, and another 16.4% has completed secondary education. The overall literacy rate is 79.6%, and is 87.3% among males and 71.6% among females.
The commune of Robbah is composed of four localities:
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