Santonio is a distinctive boys' name in United States, ranking #4719 in 1999 with 15 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 36.4%. In 1999, approximately 1 in every 128,006 boys born was named Santonio. FALLING Recent data shows the name is currently falling.