Klaus is a distinctive boys' name in United States, ranking #7431 in 2005 with 10 recorded births. The name reached its all-time peak in 2022 with 84 births ranking #1877. Since 1996, the popularity has increased by 66.7%. In 2005, approximately 1 in every 199,715 boys born was named Klaus. STABLE Recent data shows the name is currently stable.