Zapallar is a commune and a town located in Chile's Petorca Province, a part of the Valparaíso Region.

[2] As a commune, Zapallar is a third-level administrative division of Chile administered by a communal council, headed by an alcalde who is directly elected every four years.

For the 2021-2024 term, the communal council has the following members:[1] The commune of Zapallar belongs to the Electoral District No.

6 (Cabildo, Calera, Hijuelas, La Cruz, La Ligua, Nogales, Papudo, Petorca, Puchuncaví, Quillota, Quintero, Zapallar, Calle Larga, Catemu, Llay Llay, Los Andes, Panquehue, Putaendo, Rinconada, San Esteban, San Felipe, Santa María, Limache, Olmué, Quilpué, Villa Alemana.

The commune is represented in the Senate by Isabel Allende Bussi (PS), Francisco Chahuán Chahuán (RN), Juan Ignacio Latorre (RD), Kenneth Pugh (IND), Ricardo Lagos Weber (PPD).