Walnut–Locust/Avenue of the Arts is a subway station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania. The station is located between Walnut Street and Locust Street at 200 South Broad Street in the Avenue of the Arts district of Center City, Philadelphia.

The Southeastern Pennsylvania Transportation Authority (SEPTA) is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly four million people in five counties in and around Philadelphia, Pennsylvania. It also manages projects that maintain, replace and expand its infrastructure, facilities and vehicles.