Sanga-Sanga is an island of the Celebes Sea in the southwestern Philippines, bordered to nordwest by the Sulu Sea.

The island is part of the Sulu Archipelago.

The island is subdivided into 11 barangays (Karungdong, Lakit-Lakit, Lato-Lato, Luuk Pandan, Malassa, Mandulan, Pagasinan, Pakias, Paniongan, Sanga-Sanga, and Tubig Basag), all belonging to the municipality of Bongao in the province of Tawi-Tawi.

During World War II the island was a major stopover for the Japanese Navy.

This article about a location in the Bangsamoro Autonomous Region in Muslim Mindanao is a stub.