Oleg is a distinctive boys' name in United States, ranking #8728 in 2025 with 9 recorded births. The name reached its all-time peak in 2019 with 26 births ranking #4076. Since 1996, the popularity has decreased by 25.0%. In 2025, approximately 1 in every 189,786 boys born was named Oleg. FALLING Recent data shows the name is currently falling.