University Health Network (UHN) is a public research and teaching hospital network in Toronto, Ontario, Canada, affiliated with the University of Toronto. It was named Canada's top research hospital by Research Infosource from 2015 to 2021. The network encompasses the Toronto General and Toronto Western hospitals, the Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, and The Michener Institute of Education at UHN. The scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care.