Ayala Alabang is a barangay located in Muntinlupa, Metro Manila, Philippines. Situated approximately 21 kilometres (13 mi) south of the capital city of Manila, it ranks as the third largest barangay in the municipality by land area.
The barangay covers an area of 6.949 km2 (2.683 sq mi), with a large portion of its territory originating from Barangay Alabang. Notable landmarks and developments within its boundaries include the Alabang Town Center, Ayala Alabang Village, El Molito, Madrigal Business Park, and the Alabang Country Club.