Santonio is a distinctive boys' name in United States, ranking #4375 in 1998 with 16 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 45.5%. In 1998, approximately 1 in every 119,457 boys born was named Santonio. FALLING Recent data shows the name is currently falling.