Niklaus is a distinctive boys' name in United States, ranking #5969 in 2002 with 12 recorded births. The name reached its all-time peak in 2021 with 282 births ranking #842. Since 1996, the popularity has increased by 50.0%. In 2002, approximately 1 in every 161,789 boys born was named Niklaus. FALLING Recent data shows the name is currently falling.