Bataan's 1st congressional district is one of the three congressional districts of the Philippines in the province of Bataan.

It has been represented in the House of Representatives since 1987.

[3] The district consists of municipalities in northeastern Bataan, namely Abucay, Hermosa, Orani and Samal.

[4] The northern municipalities of Dinalupihan and Morong were once part of the district until these were reassigned to the third district effective 2022.

[5] It is currently represented in the 19th Congress by Geraldine Roman of the Lakas–CMD.