The name Rio is a girl's name of Spanish, Portuguese, Japanese origin meaning "place of the cherry blossoms". Rio and is often added to lists like Middle Names for Girls and discussed in our forums with posts like "Themed Families..".
From the experts:
Rio is one of Japan's most popular girls names, constantly sitting in that country's Top 10. Of course, Rio may also stem from the Portuguese and Spanish word for river, and the Brazilian city Rio de Janeiro. A truly international name for a cosmopolitan baby!