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.

[3] The district consists of municipalities in northern and eastern Bulacan, namely Doña Remedios Trinidad, San Ildefonso, San Miguel, and San Rafael.

[4] It is currently represented in the 19th Congress by Lorna Silverio of the National Unity Party (NUP).

[5] Angat and Norzagaray were once part of the district until they were excised to form the sixth district effective 2022.