Binibining Pilipinas 2005 was the 42nd edition of Binibining Pilipinas. It took place at the Smart Araneta Coliseum in Quezon City, Metro Manila, Philippines on March 19, 2005.^[1]

At the end of the event, Maricar Balagtas crowned Gionna Cabrera as Binibining Pilipinas-Universe 2004. Maria Karla Bautista crowned Carlene Aguilar as Bb. Pilipinas-World 2005, while Margaret-Ann Bayot crowned Precious Lara Quigaman as Binibining Pilipinas-International 2005. Wendy Valdez was named First Runner-Up and was crowned by Michelle Reyes as Binibining Pilipinas Tourism 2005, while Melanie Ediza was named Second Runner-Up.^[2]

Color keys

•   The contestant Won in an International pageant.
•   The contestant was a Semi-Finalist in an International pageant.
•   The contestant did not place but won a Special Award in the pageant.

23 contestants competed for the four titles.^[3]

• Gionna Cabrera competed at Miss Universe 2005 in Bangkok but was unplaced. However, Cabrera won the Miss Photogenic award and was one of the Top 5 for the Best National Costume award.
• Carlene Aguilar competed at Miss World 2005 in Sanya, China and placed in the Top 15. She competed again internationally at the Miss Internet World WWW 2006 pageant and won.^[5]
• Precious Lara Quigaman competed at Miss International 2005 in Tokyo and won.^[6]