The province has been represented in the country's national legislatures since 1984.

[3] It first elected a representative provincewide at-large during the 1984 Philippine parliamentary election following the restoration of provincial and city district representation in the Batasang Pambansa where Tawi-Tawi had previously been included in the regionwide representation of Western Mindanao (Region IX) for the interim parliament.

[4] The province, created by the 1973 separation of the Tawi-Tawi island group from Sulu, was formerly represented as part of that province's at-large district in earlier legislatures.

[5] Since the 1987 restoration of Congress following the ratification of a new constitution, Tawi-Tawi has been entitled to one member in the House of Representatives.

[6] It is currently represented in the 18th Congress by Dimszar M. Sali of the National Unity Party (NUP).