Binibining Pilipinas 2005 was the 42nd edition of the pageant, held on 19 March 2005 at the Araneta Coliseum in Quezon City, Philippines, and broadcast by GMA Network. Gionna Cabrera was crowned Binibining Pilipinas Universe 2005, Carlene Aguilar won Binibining Pilipinas World 2005, and Precious Lara Quigaman was named Binibining Pilipinas International 2005. Wendy Valdez was First Runner-Up (crowned Binibining Pilipinas Tourism 2005) and Melanie Ediza was Second Runner-Up.