Pio is a distinctive boys' name in United States, ranking #6611 in 2018 with 13 recorded births. This places Pio in the top 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 23 births ranking #4499. Since 1996, the popularity has increased by 116.7%. In 2018, approximately 1 in every 139,652 boys born was named Pio. RISING Recent data shows the name is currently rising.