Kotaro is a very rare boys' name that peaked in 2010 and has since faded.
Kotaro is a boy name. It last appears in U.S. records in 2023. Kotaro was first reported in SSA data in 1919 and peaked in 2010 (15 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 7 | 7 | #10,314 |
| 2022 | 5 | 5 | #13,472 |
| 2020 | 6 | 6 | #11,383 |
| 2019 | 5 | 5 | #13,246 |
| 2018 | 8 | 8 | #9,278 |
| 2016 | 8 | 8 | #9,337 |
| 2015 | 10 | 10 | #7,805 |
| 2013 | 10 | 10 | #7,856 |
| 2012 | 7 | 7 | #10,324 |
| 2011 | 8 | 8 | #9,241 |
| 2010 | 15 | 15 | #5,916 |
| 2009 | 7 | 7 | #10,519 |
| 2008 | 9 | 9 | #8,704 |
| 2007 | 7 | 7 | #10,411 |
| 2006 | 13 | 13 | #6,309 |
| 2005 | 6 | 6 | #10,881 |
| 2003 | 9 | 9 | #7,584 |
| 2002 | 10 | 10 | #6,825 |
| 2001 | 6 | 6 | #9,998 |
| 2000 | 6 | 6 | #9,787 |
| 1998 | 10 | 10 | #6,108 |
| 1997 | 7 | — | #7,747 |
| 1995 | 5 | — | #9,676 |
| 1990 | 5 | — | #8,886 |
| 1919 | 5 | — | #4,502 |