Serra do Bouro is one of the sixteen freguesias that make up the municipality of Caldas da Rainha, Portugal. In its area of 1,798 hectares reside 720 people, making it the least populous freguesia of the municipality.

Localities within Serra do Bouro include Espinheira, Cidade, Casais da Cidade, Casais da Boavista and Cabeço da Vela. Serra do Bouro has cliffs overlooking the Atlantic Ocean.

Principal activities of the inhabitants include agriculture and civil construction.