Nikolai is a distinctive boys' name in United States, ranking #1288 in 1999 with 95 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 15.9%. In 1999, approximately 1 in every 20,211 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.