The 2004 PBA Fiesta Conference, or known as the 2004 -PBA Fiesta Conference for sponsorship reasons, was tournament held by the Philippine Basketball Association and the first ever edition of the PBA Fiesta Conference. But, in 2004, the league changed its calendar from a calendar year to a fiscal year. As a preparation for the new format, the tournament was institutionalized in 2004 as a transitional tournament. The first Fiesta Conference was played from February–July 2004.