Rio is a distinctive boys' name in United States, ranking #532 in 2025 with 563 recorded births. The name reached its all-time peak in 2024 with 591 births ranking #516. Since 1996, the popularity has increased by 1,151.1%. In 2025, approximately 1 in every 3,034 boys born was named Rio. STABLE Recent data shows the name is currently stable.