Nikolai is a distinctive boys' name in United States, ranking #605 in 2025 with 469 recorded births. The name reached its all-time peak in 2016 with 639 births ranking #480. Since 1996, the popularity has increased by 472.0%. In 2025, approximately 1 in every 3,642 boys born was named Nikolai. STABLE Recent data shows the name is currently stable.