Klaus is a distinctive boys' name in United States, ranking #1948 in 2021 with 77 recorded births. The name reached its all-time peak in 2022 with 84 births ranking #1877. Since 1996, the popularity has increased by 1,183.3%. In 2021, approximately 1 in every 22,704 boys born was named Klaus. STABLE Recent data shows the name is currently stable.