Oswaldo is a distinctive boys' name in United States, ranking #3027 in 2025 with 41 recorded births. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has decreased by 63.4%. In 2025, approximately 1 in every 41,660 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.