Nikolai is a distinctive boys' name in England & Wales, ranking #1456 in 2005 with 13 recorded births. The name reached its all-time peak in 2019 with 33 births ranking #894. Since 1996, the popularity has increased by 160.0%. In 2005, approximately 1 in every 23,803 boys born was named Nikolai. FALLING Recent data shows the name is currently falling.