University Health Network

University Health Network (UHN) is a public research and teaching hospital network in Toronto, Ontario, Canada. It is affiliated with the Temerty Faculty of Medicine at the University of Toronto, and is the largest health research organization in Canada, ranking first in the country for total research funding.

The network includes Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, West Park Healthcare Centre, the Toronto Rehabilitation Institute, and The Michener Institute, a post-secondary institution granting diplomas and certificates in health sciences and leadership. In the 2019-2020 fiscal year, there were more than 39,000 acute inpatient stays and close to 121,000 emergency department visits across the three acute care hospitals.

Newsweek has consistently named UHN's Toronto General Hospital as among the world's top hospitals, most recently ranking Toronto General as the world's 2nd best hospital in 2026, and first in Canada. The hospital was named Canada's top research hospital by Research Infosource from 2015 to 2022.