Ontario is a male name with English origins. It is pronounced as ahn-TAIR-ee-oh (/ɑnˈtɛəriˌoʊ/). The name Ontario has no known variations. In the United States, it has been given to baby boys since at least 1967. While its popularity has fluctuated over the years, Ontario continues to be chosen by parents for their newborn sons. The name does not have any specific associations or meanings, allowing parents to interpret it in different ways. Whether inspired by the Canadian province or simply drawn to its unique sound, Ontario is a distinctive choice for a baby boy's name.