Gianni is a distinctive boys' name in United States, ranking #579 in 2007 with 443 recorded births. The name reached its all-time peak in 2020 with 897 births ranking #354. Since 1996, the popularity has increased by 302.7%. In 2007, approximately 1 in every 4,685 boys born was named Gianni. FALLING Recent data shows the name is currently falling.