Oswaldo is a distinctive boys' name in United States, ranking #2159 in 2015 with 64 recorded births. The name reached its all-time peak in 2006 with 461 births ranking #549. Since 1996, the popularity has decreased by 42.9%. In 2015, approximately 1 in every 29,942 boys born was named Oswaldo. STABLE Recent data shows the name is currently stable.