The 2005-06 Philippine Basketball Association Fiesta Conference or known as the 2005-06 San Mig Coffee PBA Fiesta Conference for sponsorship reasons, is the first conference of the 2005-06 PBA season. It started on October 2, 2005 and ended on February 19, 2006. The tournament has five rounds, the survivor playoff, the wildcard playoffs, quarterfinals, semi-finals and the Finals. All nine teams are included in the playoffs.