Nikolai is a distinctive boys' name in United States, ranking #903 in 2008 with 231 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 181.7%. In 2008, approximately 1 in every 8,831 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.