19th Street station is an underground trolley station in Philadelphia. It is located underneath Market Street in Center City Philadelphia, and serves all routes of the SEPTA subway–surface trolley lines. The station was opened by the Philadelphia Transportation Company in 1907.

Center City includes the central business district and central neighborhoods of Philadelphia, Pennsylvania, United States. It comprises the area that made up the City of Philadelphia prior to the Act of Consolidation, 1854, which extended the city borders to be coterminous with Philadelphia County.