Negros Occidental's 6th congressional district is one of the six congressional districts of the Philippines in the province of Negros Occidental. It has been represented in the House of Representatives since 1987. The district consists of the area in southern Negros Occidental containing the cities of Kabankalan and Sipalay, and the municipalities of Candoni, Cauayan, Hinoba-an and Ilog. It is currently represented in the 20th Congress by Mercedes Alvarez of the Nationalist People's Coalition (NPC).