Kathleen H. Wilber (born c. 1948) is a professor of gerontology and policy planning and development at the University of Southern California. At the USC Leonard Davis School of Gerontology, she holds the title of Mary Pickford Foundation Professor of Gerontology. Wilber also holds an appointment in Health Services Administration in the School of Planning, Policy, and Development. She has dedicated her career to improving the quality of life of people with chronic physical and mental health conditions, by improving the formal health and long term care delivery system. The collaborative relationships among health care providers, cost effectiveness and health outcomes of different service delivery structures are more specific examples of her research.