Union sportive de la Médina Aïn Béïda (Arabic: الإتحاد الرياضي لمدينة عين البيضاء), known as USM Aïn Béïda or simply USMAB for short, is an Algerian football club based in Aïn Béïda in Oum El Bouaghi Province. The club was founded in 1943 and its colours are white and black. Their home stadium, , has a capacity of 12,000 spectators. The club is currently playing in the Ligue Nationale du Football Amateur.
