Nikolai is a distinctive boys' name in United States, ranking #1039 in 2005 with 162 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 97.6%. In 2005, approximately 1 in every 12,328 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.