Oswaldo is a distinctive boys' name in United States, ranking #674 in 2005 with 312 recorded births. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has increased by 178.6%. In 2005, approximately 1 in every 6,401 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.