The Zamboanga del Norte Provincial Board is the Sangguniang Panlalawigan (provincial legislature) of the Philippine province of Zamboanga del Norte.
The members are elected via plurality-at-large voting: the province is divided into three districts, the first district sending two members, and the second and third districts sending four members each to the provincial board; the number of candidates the electorate votes for and the number of winning candidates depends on the number of members their district sends. The vice governor is the ex officio presiding officer, and only votes to break ties. The vice governor is elected via the plurality voting system province-wide.
The districts used in appropriation of members is coextensive with the legislative districts of Zamboanga del Norte.
Aside from the regular members, the board also includes the provincial federation presidents of the Liga ng mga Barangay (ABC, from its old name "Association of Barangay Captains"), the Sangguniang Kabataan (SK, youth councils) and the Philippine Councilors League (PCL).
These are the members after the 2025 local elections and 2023 barangay and SK elections:
These are members representing a group of elected councilors from the two City Councils (Dapitan and Dipolog) and twenty-five Municipal Councils of Zamboanga del Norte.
These members represent a group of elected Barangay captains from the 27 ABC councils of Zamboanga del Norte.
These members represent a group of elected SK chairpersons from 27 SK Federation councils of Zamboanga del Norte.
These members represent a group of indigenous peoples (IP) in Zamboanga del Norte. A selection process for this position are held by the province's IP groups and validated by the National Commission on Indigenous Peoples.