West Philadelphia Borough, also known as West Philadelphia District, is a defunct borough that was located west of the Schuylkill River in Blockley Township, Philadelphia County, Pennsylvania. The borough ceased to exist and was incorporated into the City of Philadelphia following the passage of the Act of Consolidation, 1854.
The borough was created on February 17, 1844, incorporating the villages of Hamilton and Mantua and their surrounding area. The borough became a district on April 3, 1853, and along with the new title came a larger area.