Oswaldo is a distinctive boys' name in United States, ranking #1031 in 1999 with 135 recorded births. This places Oswaldo in the top 9% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has increased by 20.5%. In 1999, approximately 1 in every 14,223 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.