The 1999 Betty Barclay Cup doubles was the doubles event of the fifteenth edition of the Betty Barclay Cup, a WTA Tier II tournament held in Hamburg, Germany and part of the European claycourt season. Barbara Schett and Patty Schnyder were the defending champions but only Schett competed that year with Ruxandra Dragomir. The pair lost in the first round to Irina Spîrlea and Caroline Vis.