Gianni is a distinctive girls' name in United States, ranking #2567 in 2015 with 70 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 100.0%. In 2015, approximately 1 in every 25,495 girls born was named Gianni. FALLING Recent data shows the name is currently falling.