Yiannis is a distinctive boys' name in United States, ranking #4534 in 2025 with 23 recorded births. The name reached its all-time peak in 2024 with 31 births ranking #3674. Since 1996, the popularity has increased by 27.8%. In 2025, approximately 1 in every 74,264 boys born was named Yiannis. FALLING Recent data shows the name is currently falling.