Jiancarlos is a distinctive boys' name in United States, ranking #11394 in 2013 with 6 recorded births. This places Jiancarlos in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 6 births ranking #11488. In 2013, approximately 1 in every 315,209 boys born was named Jiancarlos. STABLE Recent data shows the name is currently stable.