Reginaldo is a distinctive boys' name in United States, ranking #10441 in 2025 with 7 recorded births. This places Reginaldo in the bottom 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 14 births ranking #5810. In 2025, approximately 1 in every 244,011 boys born was named Reginaldo. FALLING Recent data shows the name is currently falling.