The Davao del Sur Provincial Board is the Sangguniang Panlalawigan (provincial legislature) of the Philippine province of Davao del Sur.
The members are elected via plurality-at-large voting: the province is divided into two districts, each having five seats. A voter votes up to five names, with the top five candidates per district being elected. The vice governor is the ex officio presiding Davao del Sur Provincial Board, 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 not coextensive with the legislative district of Davao del Sur; unlike congressional representation which is at-large, Davao del Sur is divided into two districts for representation in the Sangguniang Panlalawigan.
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). Davao de Sur's provincial board also has a reserved seat for its indigenous people (IPMR).
Apportionment
List of members
Current members
These are the members after the 2019 local elections and 2018 barangay and SK elections:
Vice Governor: John Tracy Cagas (Nacionalista)