The Flora Stone Mather College District is a 3.6-acre (1.5 ha) historic district in Cleveland, Ohio, United States. It includes five contributing buildings. The district is in the University Circle neighborhood, on the campus of Case Western Reserve University. It bears the name of philanthropist Flora Stone Mather, whose personal and family support funded buildings throughout the campus. The included buildings are Clark Hall, Guilford House, Haydn Hall, Harkness Chapel, and the Mather Memorial Building. Mather House and Mather Dance Center are within the district, but are not considered contributing buildings.