J. Rehnberg is a Swedish football coach. J. Rehnberg is 54 years old. J. Rehnberg is currently associated with Mallbacken W. J. Rehnberg's Sportra profile includes coaching career history, trophy record, sideline information where available, and related football news. Follow J. Rehnberg's career path, recent appointments, and club context through the dedicated coach hub on Sportra. On Sportra you can view J. Rehnberg coaching career history, honours, sideline updates, and related news.