Laguna's 1st congressional district is one of the six congressional districts of the Philippines in the province of Laguna, formerly La Laguna. It has been represented in the House of Representatives of the Philippines since 1916 and earlier in the Philippine Assembly from 1907 to 1916. The 1st district of Laguna, Lone district of San Pedro City is currently represented in the 19th Congress by Maria Rene Ann Lourdes G. Matibag of the PDP-Laban (PDPLBN).