Oswaldo is a distinctive boys' name in United States, ranking #549 in 2006 with 461 recorded births. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has increased by 311.6%. In 2006, approximately 1 in every 4,458 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.