Santonio is a distinctive boys' name in United States, ranking #4105 in 2012 with 25 recorded births. The name reached its all-time peak in 2009 with 47 births ranking #2651. Since 1996, the popularity has increased by 127.3%. In 2012, approximately 1 in every 75,865 boys born was named Santonio. FALLING Recent data shows the name is currently falling.