Oleg is a distinctive boys' name in United States, ranking #5099 in 1996 with 12 recorded births. This places Oleg in the top 48% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 26 births ranking #4076. In 1996, approximately 1 in every 157,853 boys born was named Oleg. FALLING Recent data shows the name is currently falling.