How to say it
RI · o
ˈriː.oʊ
River
ˈriː.oʊ
Spanish and Portuguese for 'river,' also tied to Rio de Janeiro.
Rio means 'river' in Spanish and Portuguese, from the Latin rivus. It evokes Rio de Janeiro, named for a river in January, and carries a sunny, free-flowing energy. Short and global, it works for boys and girls alike. Said REE-oh.
The standard spelling is Rio. Common variants include Río, Reo, Rion, but Rio is the most widely used form.
peaked at #517 in 2024, currently #532 in 2025.
Source: U.S. Social Security Administration, names given to at least 5 babies in a year, 1880–2025. Reviewed August 2026. See where the names are moving
Spanish for 'river'; also nods to Rio de Janeiro.
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