Laguna's 3rd congressional district is one of the seven congressional districts of the Philippines in the province of Laguna.

It has been represented in the House of Representatives of the Philippines since 1987.

[3] The district consists of the city of San Pablo and adjacent municipalities of Alaminos, Calauan, Liliw, Nagcarlan, Rizal and Victoria bordering Batangas and Quezon also facing the province of Rizal.

[4] It is currently represented in the 19th Congress by Loreto S. Amante of the Lakas–CMD.

[5][6]