Oswaldo is a distinctive boys' name in United States, ranking #2621 in 2017 with 48 recorded births. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has decreased by 57.1%. In 2017, approximately 1 in every 38,548 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.