Giannis is a distinctive boys' name in United States, ranking #2243 in 2018 with 61 recorded births. This places Giannis in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 162 births ranking #1217. In 2018, approximately 1 in every 29,762 boys born was named Giannis. FALLING Recent data shows the name is currently falling.