Ayala Alabang,[2] in terms of land area, is the third largest barangay in Muntinlupa, Metro Manila, Philippines.

[3] Barangay Ayala Alabang is located around 13 miles (21 km) south of the capital Manila.

In compliance of Section 3 of Batas Pambansa Bilang 219, which provides that "the first barangay officials shall be appointed by the President of the Philippines and shall hold office until their successors shall have been elected or appointed and qualified", then-President Ferdinand E. Marcos appointed Enrique Zóbel de Ayala as the first Barangay Chairman, with Gumersindo Leuterio, Benito Araneta, Edgardo Gatchalián, Mario Torcuator, Jaime Matiás, and Íñigo Zóbel as the first seven Kagawad (councilors).

Its interior has a golden retablo with arched ceiling of square patterns towards the altar which has blue lighting.

Mr. Vicente Chua became the first elected barangay chairman in 1989, assuming together with Kagawads Oscar Antiquera (later a barangay chairman), Alfred Xerez-Burgos Jr., Ramon Fernandez, Wilma Palafox, Rolando Pineda, and Francisco Umali.