Pio is a distinctive boys' name in United States, ranking #12267 in 2003 with 5 recorded births. The name reached its all-time peak in 2025 with 23 births ranking #4499. Since 1996, the popularity has decreased by 16.7%. In 2003, approximately 1 in every 395,054 boys born was named Pio. RISING Recent data shows the name is currently rising.