Niklaus is a distinctive boys' name in United States, ranking #1407 in 2025 with 130 recorded births. The name reached its all-time peak in 2021 with 282 births ranking #842. Since 1996, the popularity has increased by 1,525.0%. In 2025, approximately 1 in every 13,139 boys born was named Niklaus. FALLING Recent data shows the name is currently falling.