Gianni is a distinctive girls' name in United States, ranking #1755 in 1998 with 90 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 157.1%. In 1998, approximately 1 in every 19,632 girls born was named Gianni. FALLING Recent data shows the name is currently falling.