Nikolai is a distinctive boys' name in United States, ranking #585 in 2013 with 436 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 431.7%. In 2013, approximately 1 in every 4,338 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.