Gianni is a distinctive girls' name in United States, ranking #2162 in 2004 with 83 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 137.1%. In 2004, approximately 1 in every 22,122 girls born was named Gianni. FALLING Recent data shows the name is currently falling.