Giancarlos is a distinctive boys' name in United States, ranking #6409 in 2020 with 13 recorded births. The name reached its all-time peak in 2010 with 48 births ranking #2564. Since 1996, the popularity has increased by 85.7%. In 2020, approximately 1 in every 132,697 boys born was named Giancarlos. FALLING Recent data shows the name is currently falling.