Nikolai is a distinctive boys' name in United States, ranking #1194 in 2003 with 124 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 51.2%. In 2003, approximately 1 in every 15,930 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.