Nikolai is a distinctive boys' name in United States, ranking #602 in 2012 with 421 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 413.4%. In 2012, approximately 1 in every 4,505 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.