Diego is a moderately popular boys' name in United States, ranking #158 in 2025 with 2,351 recorded births. The name reached its all-time peak in 2006 with 8,403 births ranking #56. Since 1996, the popularity has increased by 70.2%. In 2025, approximately 1 in every 727 boys born was named Diego. FALLING Recent data shows the name is currently falling.