Kazuki is a rare boys' name that peaked in 1998 and has grown less common since.
Kazuki is a boy name. In 2025 it ranked #12,986 for boy births in the United States (and #26,709 across all names), given to 5 babies. Kazuki was first reported in SSA data in 1987 and peaked in 1998 (20 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #12,986 |
| 2024 | 5 | 5 | #13,294 |
| 2023 | 7 | 7 | #10,256 |
| 2021 | 5 | 5 | #13,133 |
| 2020 | 9 | 9 | #8,404 |
| 2018 | 11 | 11 | #7,381 |
| 2017 | 8 | 8 | #9,300 |
| 2016 | 10 | 10 | #7,885 |
| 2015 | 7 | 7 | #10,107 |
| 2014 | 9 | 9 | #8,480 |
| 2013 | 11 | 11 | #7,307 |
| 2012 | 14 | 14 | #6,160 |
| 2011 | 12 | 12 | #6,813 |
| 2010 | 9 | 9 | #8,468 |
| 2009 | 13 | 13 | #6,641 |
| 2008 | 12 | 12 | #6,982 |
| 2007 | 10 | 10 | #7,894 |
| 2006 | 16 | 16 | #5,426 |
| 2005 | 11 | 11 | #6,883 |
| 2004 | 11 | 11 | #6,774 |
| 2003 | 8 | 8 | #8,247 |
| 2002 | 14 | 14 | #5,271 |
| 2001 | 9 | 9 | #7,220 |
| 2000 | 11 | 11 | #6,128 |
| 1999 | 15 | 15 | #4,658 |
| 1998 | 20 | 20 | #3,651 |
| 1997 | 14 | — | #4,576 |
| 1996 | 17 | — | #3,929 |
| 1995 | 13 | — | #4,662 |
| 1994 | 15 | — | #4,197 |
| 1993 | 9 | — | #5,993 |
| 1992 | 14 | — | #4,227 |
| 1991 | 10 | — | #5,298 |
| 1990 | 6 | — | #7,640 |
| 1989 | 10 | — | #5,009 |
| 1987 | 6 | — | #6,545 |