Tawitawi Island (also spelled Tawi Tawi or Tawi-Tawi) is a Philippine island in the Sulu Archipelago between the Sulu Sea and Celebes Sea, about 64 kilometres (40 mi; 35 nmi) east of Borneo.

It has a shoreline length of 152.2 kilometres (94.6 mi), and a maximum elevation of 549 metres (1,801 ft).

It is hilly and heavily wooded, with both white sandy beaches and rocky coasts.

[2] The island is subdivided into four municipalities (Bongao, Languyan, Panglima Sugala, and Tandubas).

The inhabitants are mostly Sama people, speaking Sama–Bajaw languages and of Muslim conviction.