Gianni is a distinctive girls' name in United States, ranking #2464 in 2005 with 71 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 102.9%. In 2005, approximately 1 in every 26,024 girls born was named Gianni. FALLING Recent data shows the name is currently falling.