Is Klaus a boy or girl name?

Klaus is a boy’s name. Of the 1,471 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Klaus

Recorded 1953–2025 · United States

Klaus was most popular in 2022, when 84 American babies were given the name — ranking #3,997 that year. In 2025 it ranked #4,792, with 63 births. Across 1880–2025 the Social Security Administration has recorded 1,471 people named Klaus.

Klaus over time

Births per year. The dot marks Klaus’s peak in 2022. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Klaus a boy’s or a girl’s name?

Across the whole record Klaus is a boy’s name — 0.0% of the 1,471 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Klaus

Where Klaus is most concentrated

How much more common the name is in each state than across the country as a whole.

California 5.1×

Explore further

See Klaus on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org