Kollen is a very rare boys' name that peaked in 2001 and has since faded.
Kollen is a boy name. It last appears in U.S. records in 2018. Kollen first appears in 1992 and peaked in 2001 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2018 | 6 | 6 | #11,552 |
| 2015 | 5 | 5 | #13,175 |
| 2014 | 7 | 7 | #10,248 |
| 2012 | 8 | 8 | #9,347 |
| 2011 | 7 | 7 | #10,286 |
| 2010 | 5 | 5 | #13,414 |
| 2009 | 9 | 9 | #8,710 |
| 2008 | 10 | 10 | #8,040 |
| 2006 | 7 | 7 | #10,185 |
| 2005 | 5 | 5 | #12,514 |
| 2003 | 6 | 6 | #10,305 |
| 2001 | 13 | 13 | #5,540 |
| 1999 | 8 | 8 | #7,549 |
| 1998 | 5 | 5 | #10,559 |
| 1992 | 5 | — | #9,203 |