Prospect Park is a borough in Delaware County, Pennsylvania, United States.

It is located within 10 miles (16 km) of Center City, Philadelphia, with convenient rail access (SEPTA, and connection to Amtrak).

In 1874, John Cochran of Chester purchased 103 acres from Joshua Pierson with the intention of dividing the property into lots and selling them.

A former pastor, Mark R. Watkinson, felt that the Civil War was going to leave the country with a bad name, "brother fighting brother in a civil war", and wrote a letter to Salmon P. Chase, Secretary of the Treasury, suggesting "God, Liberty, Law," be put on the coins.

The Morton Homestead, one of the oldest buildings in Pennsylvania, was listed on the National Register of Historic Places in 1970.

[7] U.S. Route 13 crosses the borough, leading northeast to Philadelphia and southwest 4 miles (6 km) to Chester.

Students living in Prospect Park attend classes within the Interboro School District, which consists of Prospect Park and its neighboring regions Glenolden, Norwood, and Tinicum Township.

W. Carter Merbreier created and co-hosted the long-running syndicated children's television series, Captain Noah and His Magical Ark, in 1967.