Niklaus is an uncommon variant of Nikolas that peaked in 2021 and has grown less common since.
Niklaus is a boy name. In 2025 it ranked #1,407 for boy births in the United States (and #2,968 across all names), given to 130 babies. Niklaus first appears in 1979 and peaked in 2021 (282 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 130 | 130 | #1,407 |
| 2024 | 163 | 163 | #1,233 |
| 2023 | 185 | 185 | #1,138 |
| 2022 | 236 | 236 | #962 |
| 2021 | 282 | 282 | #844 |
| 2020 | 255 | 255 | #889 |
| 2019 | 221 | 221 | #973 |
| 2018 | 183 | 183 | #1,083 |
| 2017 | 156 | 156 | #1,194 |
| 2016 | 118 | 118 | #1,462 |
| 2015 | 102 | 102 | #1,585 |
| 2014 | 63 | 63 | #2,171 |
| 2013 | 37 | 37 | #3,038 |
| 2012 | 14 | 14 | #6,217 |
| 2010 | 7 | 7 | #10,436 |
| 2009 | 6 | 6 | #12,045 |
| 2008 | 5 | 5 | #14,022 |
| 2007 | 10 | 10 | #8,004 |
| 2006 | 16 | 16 | #5,463 |
| 2005 | 7 | 7 | #9,845 |
| 2004 | 13 | 13 | #6,045 |
| 2003 | 11 | 11 | #6,590 |
| 2002 | 12 | 12 | #5,969 |
| 2001 | 9 | 9 | #7,344 |
| 2000 | 13 | 13 | #5,498 |
| 1999 | 17 | 17 | #4,284 |
| 1998 | 18 | 18 | #3,963 |
| 1997 | 13 | — | #4,873 |
| 1996 | 8 | — | #6,938 |
| 1995 | 12 | — | #5,030 |
| 1994 | 9 | — | #6,205 |
| 1993 | 12 | — | #4,915 |
| 1992 | 10 | — | #5,537 |
| 1991 | 9 | — | #5,808 |
| 1990 | 7 | — | #6,947 |
| 1989 | 8 | — | #6,055 |
| 1988 | 8 | — | #5,575 |
| 1987 | 7 | — | #5,911 |
| 1986 | 6 | — | #6,490 |
| 1985 | 6 | — | #6,289 |
| 1984 | 5 | — | #7,019 |
| 1983 | 5 | — | #6,991 |
| 1980 | 8 | — | #4,819 |
| 1979 | 8 | — | #4,716 |