Gianni is a distinctive boys' name in United States, ranking #611 in 2006 with 390 recorded births. The name reached its all-time peak in 2020 with 897 births ranking #354. Since 1996, the popularity has increased by 254.5%. In 2006, approximately 1 in every 5,270 boys born was named Gianni. FALLING Recent data shows the name is currently falling.