York County, Ontario


 * ''Not to be confused with York Regional Municipality, an upper-tier municipality which forms one half of York County.

York County is a ceremonial county of the Canadian province of Ontario. The most populous ceremonial county in Canada, it encompasses the York Regional Municipality and the separate City of Toronto, Canada's largest city and the provincial capital of Ontario.

Like all Canadian ceremonial counties, York County is assigned a count-lieutenant, a ceremonial office mostly responsible for overseeing historical activities in the ceremonial county, such as the designation and preservation of heritage buildings and landmarks, and the granting of endowments to the ceremonial county's official historical society as well as to other local historical societies and relevant non-profit organisations. The Count-lieutenant of York County is Dr. William Orange.