Rio is a Spanish name that originated as a Brazilian place-name. Meaning "river," the name is related to Rio de Janeiro. Although the name can also be given to girls, Rio is much more common for boys.
Similar Names: Reo, Ria
Famous Rio Names: Rio Reiser (German singer), Rio Mavuba (French soccer player)
Your Pregnancy Week-by-week
Sign up to get weekly development updates, doctor tips, and pregnancy advice from our OB/GYNs.