The Dahlgren Chapel of the Sacred Heart (often shortened to Dahlgren Chapel) is a Roman Catholic chapel located in Dahlgren Quadrangle on the main campus of Georgetown University in Washington, D.C. The chapel is located within the Archdiocese of Washington, is maintained by Georgetown University, and is administered by the Society of Jesus. It is the largest place of worship on Georgetown's campus and is the primary Catholic house of worship for students, faculty, and other community members.