Gianni is a distinctive girls' name in United States, ranking #1751 in 1997 with 87 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 148.6%. In 1997, approximately 1 in every 20,008 girls born was named Gianni. FALLING Recent data shows the name is currently falling.