Cavite's 1st congressional district is one of the eight congressional districts of the Philippines in the province of Cavite. It has been represented in the House of Representatives of the Philippines since 1987. The district consists of the city of Cavite and its adjacent municipalities of Kawit, Noveleta and Rosario. It is currently represented in the 19th Congress by Ramon Jolo B. Revilla of the Lakas-CMD.