Ontarios
Ontarios is a rarely used plural noun that can refer to residents of Ontario, a province in east-central Canada. The standard demonym for residents of Ontario is Ontarian, but Ontarios appears in informal contexts or when speaking of the population as a group.
Ontario borders Quebec to the east, Manitoba to the west, and the United States states of Minnesota,
Economically, Ontario is a leading Canadian province with strengths in manufacturing, finance, technology, and natural-resource sectors.
Ontario's history includes long Indigenous presence, European colonization, and its 1867 entry into the Canadian Confederation
Note: The form Ontarios is not widely used in official contexts; Ontarian remains the standard demonym.