Cool Spring Park Historic District

Cool Spring Park Historic District is a national historic district located at Wilmington, New Castle County, Delaware. It encompasses 316 contributing buildings, 3 contributing structures, and 3 contributing objects in located in and around Cool Spring Park in Wilmington. It developed in the late-19th century as a middle class residential area. They are primarily semi-detached dwellings in a variety of popular styles including Gothic Revival and Queen Anne. Also located in the district is the Cool Spring Pumping Station associated with the Cool Spring Reservoir, Cool Spring Elementary School, and Knights of Pythias Hall.

It was added to the National Register of Historic Places in 1983.