Nikolai is a distinctive boys' name in United States, ranking #734 in 2010 with 313 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 281.7%. In 2010, approximately 1 in every 6,129 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.