Gianni is a distinctive girls' name in United States, ranking #2280 in 2011 with 82 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 134.3%. In 2011, approximately 1 in every 21,449 girls born was named Gianni. FALLING Recent data shows the name is currently falling.