The Hill-Physick-Keith House, also known as the Hill-Keith-Physick House, the Hill-Physick House, or simply the Physick House, located at 321 S. 4th Street between Cypress and Delancey Streets in the Society Hill neighborhood of Philadelphia, Pennsylvania, was the home of Philip Syng Physick (1768-1837), who has been called "the father of American surgery". The house was declared a National Historic Landmark in 1976.