Nickolai is a rare variant of Nikolai that peaked in 2015 and has grown less common since.
Nickolai is a boy name. In 2025 it ranked #8,059 for boy births in the United States (and #16,825 across all names), given to 10 babies. Nickolai first appears in 1976 and peaked in 2015 (31 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 10 | 10 | #8,059 |
| 2024 | 11 | 11 | #7,610 |
| 2023 | 15 | 15 | #6,137 |
| 2022 | 16 | 16 | #5,800 |
| 2021 | 12 | 12 | #6,985 |
| 2020 | 21 | 21 | #4,654 |
| 2019 | 16 | 16 | #5,731 |
| 2018 | 25 | 25 | #4,185 |
| 2017 | 18 | 18 | #5,242 |
| 2016 | 24 | 24 | #4,280 |
| 2015 | 31 | 31 | #3,565 |
| 2014 | 17 | 17 | #5,414 |
| 2013 | 20 | 20 | #4,752 |
| 2012 | 29 | 29 | #3,684 |
| 2011 | 12 | 12 | #6,879 |
| 2010 | 21 | 21 | #4,637 |
| 2009 | 20 | 20 | #4,875 |
| 2008 | 28 | 28 | #3,804 |
| 2007 | 17 | 17 | #5,360 |
| 2006 | 25 | 25 | #3,964 |
| 2005 | 20 | 20 | #4,417 |
| 2004 | 11 | 11 | #6,846 |
| 2003 | 11 | 11 | #6,589 |
| 2002 | 11 | 11 | #6,394 |
| 2001 | 9 | 9 | #7,340 |
| 2000 | 12 | 12 | #5,812 |
| 1999 | 11 | 11 | #5,931 |
| 1998 | 8 | 8 | #7,338 |
| 1997 | 10 | — | #5,967 |
| 1996 | 6 | — | #8,681 |
| 1995 | 9 | — | #6,258 |
| 1993 | 11 | — | #5,262 |
| 1990 | 5 | — | #9,093 |
| 1980 | 5 | — | #6,971 |
| 1976 | 6 | — | #5,410 |