Nikolaus is a distinctive boys' name in United States, ranking #4346 in 2025 with 24 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 70.0%. In 2025, approximately 1 in every 71,170 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.