Koltan is a very rare variant of Kolton that peaked in 2013 and has since faded.
Koltan is a boy name. It last appears in U.S. records in 2023. Koltan first appears in 1991 and peaked in 2013 (20 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 5 | 5 | #13,309 |
| 2022 | 6 | 6 | #11,669 |
| 2020 | 7 | 7 | #10,146 |
| 2019 | 6 | 6 | #11,542 |
| 2018 | 8 | 8 | #9,277 |
| 2016 | 9 | 9 | #8,524 |
| 2015 | 9 | 9 | #8,422 |
| 2014 | 14 | 14 | #6,179 |
| 2013 | 20 | 20 | #4,728 |
| 2012 | 17 | 17 | #5,396 |
| 2011 | 15 | 15 | #5,839 |
| 2010 | 15 | 15 | #5,915 |
| 2009 | 11 | 11 | #7,493 |
| 2008 | 13 | 13 | #6,618 |
| 2007 | 15 | 15 | #5,804 |
| 2006 | 9 | 9 | #8,437 |
| 2005 | 7 | 7 | #9,687 |
| 2004 | 9 | 9 | #7,911 |
| 2002 | 8 | 8 | #8,110 |
| 2001 | 5 | 5 | #11,583 |
| 2000 | 8 | 8 | #7,870 |
| 1999 | 7 | 7 | #8,348 |
| 1997 | 5 | — | #10,129 |
| 1996 | 7 | — | #7,601 |
| 1995 | 11 | — | #5,354 |
| 1991 | 6 | — | #7,813 |