Nikolai is a distinctive boys' name in United States, ranking #1239 in 2001 with 108 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 31.7%. In 2001, approximately 1 in every 17,989 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.