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Family name Frio (Frio , فريو , Frío ) , worldwide, is quite a rare cognomen. The surname Frio is characteristic of Guam, where it is quite a common surname, Philippines, where it is quite a rare surname, and Angola, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Philippines, Angola, and the United States. Likewise, Frio is the forename as well as the last name.