Walnut–Chancellor Historic District

Walnut–Chancellor Historic District is a national historic district located in the Rittenhouse Square West neighborhood of Philadelphia, Pennsylvania. It encompasses 51 contributing buildings located one block east of Rittenhouse Square. It includes 4 1/2- to 5-story monumental residences in the Italianate style; brick rowhouses dated to the 1860s-1870's, some with mansard roofs and dormers; and 19th century carriage houses. Located in the district is the Hockley House (1875), designed by noted architect Frank Furness (1839-1912).

It was added to the National Register of Historic Places in 1980.