Binibining Pilipinas 1991, the 28th edition of the national pageant, was held on March 3, 1991 at the Araneta Coliseum in Quezon City, Philippines, and aired on GMA Network. At the end of the event, Germelina Padilla crowned Anjanette Abayari as Binibining Pilipinas Universe 1991, Jennifer Pingree crowned Maria Patricia Betita as Binibining Pilipinas International 1991, and Precious Tongko crowned Maria Lourdes Gonzalez as Binibining Pilipinas Maja 1991. Selina Manalad and Jenette Fernando were named first and second runners-up. Later in 1991, Abayari relinquished her title due to citizenship issues; Gonzalez assumed the Universe title, Manalad became Maja, Fernando moved up to first runner-up, and Anna Marie Torres assumed second runner-up.