Oleg is a distinctive boys' name in United States, ranking #3939 in 1999 with 19 recorded births. The name reached its all-time peak in 2019 with 26 births ranking #4076. Since 1996, the popularity has increased by 58.3%. In 1999, approximately 1 in every 101,057 boys born was named Oleg. FALLING Recent data shows the name is currently falling.