Ronaldo is a distinctive boys' name in United States, ranking #1812 in 2020 with 83 recorded births. The name reached its all-time peak in 1998 with 359 births ranking #552. Since 1996, the popularity has increased by 20.3%. In 2020, approximately 1 in every 20,784 boys born was named Ronaldo. STABLE Recent data shows the name is currently stable.