Niklaus is a distinctive boys' name in United States, ranking #5497 in 2000 with 13 recorded births. The name reached its all-time peak in 2021 with 282 births ranking #842. Since 1996, the popularity has increased by 62.5%. In 2000, approximately 1 in every 151,072 boys born was named Niklaus. FALLING Recent data shows the name is currently falling.