Gianni is a distinctive girls' name in United States, ranking #2328 in 2003 with 72 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 105.7%. In 2003, approximately 1 in every 25,376 girls born was named Gianni. FALLING Recent data shows the name is currently falling.