Children's Hospital of Eastern Ontario

The Children's Hospital of Eastern Ontario — Ottawa Children's Treatment Centre, commonly known by its acronym CHEO, is a children's hospital and tertiary trauma centre for children and youth located in Ottawa, Ontario, Canada. CHEO serves patients from eastern Ontario, northern Ontario, Nunavut, and the Outaouais region of Quebec.

CHEO first opened its doors on May 17, 1974 at 401 Smyth Road in Ottawa. The site includes a hospital, children's treatment centre, school and research institute, with satellite services located throughout eastern Ontario. CHEO, which is affiliated with the University of Ottawa, provides complex pediatric care, research and education. It is a partner of the Kids Come First Health team and a founding member of Kids Health Alliance, a network of partners.