Santonio is a distinctive boys' name in United States, ranking #4531 in 2000 with 17 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 54.5%. In 2000, approximately 1 in every 115,525 boys born was named Santonio. FALLING Recent data shows the name is currently falling.