Santonio is a distinctive boys' name in United States, ranking #4381 in 2015 with 23 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 109.1%. In 2015, approximately 1 in every 83,316 boys born was named Santonio. FALLING Recent data shows the name is currently falling.