Incumbent Raphaelle Ortega-David (Nationalist People's Coalition) is running for a second term.

Ortega-David was elected under Pederalismo ng Dugong Dakilang Samahan with 89.72% of the vote in 2022.

The following are the candidates who are included in the ballot:[1][2] Incumbent Mario Eduardo Ortega (Partido Federal ng Pilipinas) is running for governor of La Union.

The following board members are retiring: The following board members are term-limited: La Union's 1st provincial district consists of the same area as La Union's 1st legislative district.

The following are the candidates who are included in the ballot:[1][2] La Union's 2nd provincial district consists of the same area as La Union's 2nd legislative district.