Masato is a distinctive boys' name in United States, ranking #7954 in 2018 with 10 recorded births. The name reached its all-time peak in 2002 with 10 births ranking #6869. Since 1996, the popularity has increased by 100.0%. In 2018, approximately 1 in every 181,547 boys born was named Masato. STABLE Recent data shows the name is currently stable.