Billel Dziri (born 21 January 1972) is an Algerian football manager and former player who is the current manager of Algerian Ligue Professionnelle 1 club USM Alger.After starting off with NA Hussein Dey, Dziri played most of his career with USM Alger and had spells with Étoile Sportive du Sahel in Tunisia, CS Sedan Ardennes in France and Al-Sadd in Qatar.