Zac is a rare variant of Zack that peaked in 2014 and has grown less common since.
Zac is a boy name. In 2025 it ranked #3,237 for boy births in the United States (and #6,957 across all names), given to 37 babies. Zac first appears in 1957 and peaked in 2014 (84 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 37 | 37 | #3,237 |
| 2024 | 35 | 35 | #3,391 |
| 2023 | 48 | 48 | #2,736 |
| 2022 | 47 | 47 | #2,792 |
| 2021 | 54 | 54 | #2,496 |
| 2020 | 50 | 50 | #2,583 |
| 2019 | 50 | 50 | #2,625 |
| 2018 | 56 | 56 | #2,383 |
| 2017 | 67 | 67 | #2,090 |
| 2016 | 74 | 74 | #1,972 |
| 2015 | 64 | 64 | #2,167 |
| 2014 | 84 | 84 | #1,792 |
| 2013 | 63 | 63 | #2,137 |
| 2012 | 74 | 74 | #1,941 |
| 2011 | 77 | 77 | #1,848 |
| 2010 | 83 | 83 | #1,793 |
| 2009 | 70 | 70 | #2,007 |
| 2008 | 52 | 52 | #2,462 |
| 2007 | 34 | 34 | #3,311 |
| 2006 | 19 | 19 | #4,859 |
| 2005 | 21 | 21 | #4,324 |
| 2004 | 35 | 35 | #2,952 |
| 2003 | 20 | 20 | #4,272 |
| 2002 | 14 | 14 | #5,390 |
| 2001 | 25 | 25 | #3,510 |
| 2000 | 13 | 13 | #5,580 |
| 1999 | 14 | 14 | #5,027 |
| 1998 | 11 | 11 | #5,835 |
| 1997 | 18 | — | #3,874 |
| 1996 | 14 | — | #4,607 |
| 1994 | 14 | — | #4,535 |
| 1993 | 12 | — | #4,998 |
| 1992 | 10 | — | #5,653 |
| 1991 | 9 | — | #5,934 |
| 1990 | 8 | — | #6,407 |
| 1989 | 9 | — | #5,606 |
| 1988 | 8 | — | #5,744 |
| 1987 | 12 | — | #3,956 |
| 1986 | 9 | — | #4,849 |
| 1985 | 13 | — | #3,596 |
| 1984 | 14 | — | #3,268 |
| 1983 | 9 | — | #4,497 |
| 1982 | 9 | — | #4,585 |
| 1981 | 9 | — | #4,500 |
| 1980 | 12 | — | #3,611 |
| 1979 | 6 | — | #6,049 |
| 1978 | 8 | — | #4,551 |
| 1977 | 13 | — | #3,199 |
| 1976 | 18 | — | #2,506 |
| 1975 | 13 | — | #3,076 |
| 1974 | 7 | — | #4,627 |
| 1973 | 5 | — | #5,869 |
| 1972 | 10 | — | #3,341 |
| 1971 | 11 | — | #3,142 |
| 1970 | 9 | — | #3,519 |
| 1964 | 5 | — | #4,590 |
| 1963 | 5 | — | #4,619 |
| 1962 | 5 | — | #4,628 |
| 1957 | 5 | — | #4,549 |