Union Sportive de Biskra, (Arabic: الإتحاد الرياضي لبسكرة), known as US Biskra or simply USB for short, is an Algerian football club based in Biskra. The club was founded in 1934 and the club colours are green and black. Their home stadium, Complexe Sportif d'El Alia, has a capacity of 35,000 spectators. The club is currently playing in the Algerian Ligue Professionnelle 1.