Bulacan's 3rd congressional district is one of the seven congressional districts in the province of Bulacan, Philippines. It has been represented in the House of Representatives since 1987. The district consists of municipalities in northern and eastern Bulacan, namely Doña Remedios Trinidad, San Ildefonso, San Miguel, and San Rafael. It is currently represented in the 19th Congress by Lorna Silverio of the National Unity Party (NUP).