Santonio is a distinctive boys' name in United States, ranking #6945 in 2013 with 12 recorded births. This places Santonio in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 47 births ranking #2651. In 2013, approximately 1 in every 157,605 boys born was named Santonio. FALLING Recent data shows the name is currently falling.