Niklaus is a distinctive boys' name in United States, ranking #842 in 2021 with 282 recorded births. The name reached its all-time peak in 2021 with 282 births ranking #842. Since 1996, the popularity has increased by 3,425.0%. In 2021, approximately 1 in every 6,199 boys born was named Niklaus. FALLING Recent data shows the name is currently falling.