Ronaldo is a distinctive boys' name in United States, ranking #1445 in 2017 with 119 recorded births. This places Ronaldo in the top 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 359 births ranking #552. Since 1996, the popularity has increased by 72.5%. In 2017, approximately 1 in every 15,549 boys born was named Ronaldo. STABLE Recent data shows the name is currently stable.