Nikolai is a distinctive boys' name in United States, ranking #508 in 2017 with 572 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 597.6%. In 2017, approximately 1 in every 3,235 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.