Yiannis is a distinctive boys' name in United States, ranking #6829 in 1998 with 9 recorded births. The name reached its all-time peak in 2024 with 31 births ranking #3674. Since 1996, the popularity has decreased by 50.0%. In 1998, approximately 1 in every 212,369 boys born was named Yiannis. FALLING Recent data shows the name is currently falling.