Nikolai is a distinctive boys' name in United States, ranking #1084 in 2006 with 163 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 98.8%. In 2006, approximately 1 in every 12,608 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.