The 1999 Warsaw Cup by Heros doubles was the doubles event of the fifth edition of the Warsaw Open; a WTA Tier IV tournament held in Warsaw, Poland. Olga Lugina and Karina Habšudová were the champions last year when it was a Tier III event. Habšudová did not compete this year, while Lugina teamed up with Sandra Načuk. She was defeated in the quarterfinals.