Santonio is a distinctive boys' name in United States, ranking #5345 in 2002 with 14 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 27.3%. In 2002, approximately 1 in every 138,677 boys born was named Santonio. FALLING Recent data shows the name is currently falling.