Nikolai is a distinctive boys' name in United States, ranking #516 in 2019 with 553 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 574.4%. In 2019, approximately 1 in every 3,243 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.