Alibijaban is a small island located off the southeastern coast of Bondoc Peninsula in the Philippines. It belongs administratively to the municipality of San Andres, Quezon province, and is coterminous with the barangay of the same name. With a population of 1,643 inhabitants in 2015, it is the smallest of seven barangays in San Andres.
The island is known for its pristine mangrove forest and coral reefs. It is also visited for its white sandy beaches and rich bird life. Its mangrove forest which covers approximately 140 hectares (350 acres) of the island's central and northern portions is protected under the National Integrated Protected Areas System as a wilderness area called the Alibijaban Island Wilderness Area. 225 hectares (560 acres) of waters surrounding it have also been declared a marine protected area is known as the Alibijaban Fish Sanctuary.
