Nueva Ecija's 3rd congressional district is one of the four congressional districts of the Philippines in the province of Nueva Ecija. It has been represented in the House of Representatives since 1987. The district consists of the provincial capital city Palayan, its largest city Cabanatuan, and adjacent municipalities, namely Bongabon, Gabaldon, General Mamerto Natividad, Laur and Santa Rosa. It is currently represented in the 19th Congress by Rosanna Vergara of the PDP–Laban.