Hieu is a rare boys' name that peaked in 1984 and has since faded.
Hieu is predominantly a boy name. In 2025 it ranked #8,496 for boy births in the United States (and #17,648 across all names), given to 9 babies. Hieu was first reported in SSA data in 1976 and peaked in 1984 (38 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 9 | 9 | — | #8,496 |
| 2024 | 6 | 6 | — | #11,441 |
| 2023 | 5 | 5 | — | #12,930 |
| 2021 | 7 | 7 | — | #10,121 |
| 2020 | 7 | 7 | — | #9,938 |
| 2018 | 9 | 9 | — | #8,412 |
| 2017 | 9 | 9 | — | #8,400 |
| 2016 | 9 | 9 | — | #8,390 |
| 2015 | 10 | 10 | — | #7,693 |
| 2014 | 16 | 16 | — | #5,567 |
| 2013 | 5 | 5 | — | #12,839 |
| 2012 | 9 | 9 | — | #8,416 |
| 2011 | 16 | 16 | — | #5,513 |
| 2010 | 9 | 9 | — | #8,375 |
| 2009 | 16 | 16 | — | #5,654 |
| 2008 | 16 | 16 | — | #5,590 |
| 2007 | 11 | 11 | — | #7,282 |
| 2006 | 16 | 16 | — | #5,391 |
| 2005 | 13 | 13 | — | #5,997 |
| 2004 | 11 | 11 | — | #6,704 |
| 2003 | 20 | 20 | — | #4,173 |
| 2002 | 13 | 13 | — | #5,522 |
| 2001 | 20 | 20 | — | #4,021 |
| 2000 | 19 | 19 | — | #4,113 |
| 1999 | 24 | 24 | — | #3,309 |
| 1998 | 13 | 13 | — | #4,983 |
| 1997 | 29 | — | — | #2,700 |
| 1996 | 19 | — | — | #3,596 |
| 1995 | 21 | — | — | #3,234 |
| 1994 | 31 | — | — | #2,467 |
| 1993 | 33 | — | — | #2,314 |
| 1992 | 38 | — | — | #2,059 |
| 1991 | 26 | — | — | #2,633 |
| 1990 | 19 | — | — | #3,225 |
| 1989 | 33 | — | — | #2,125 |
| 1988 | 38 | — | #10,836 | #2,011 |
| 1987 | 32 | — | — | #1,951 |
| 1986 | 29 | — | — | #2,025 |
| 1985 | 45 | — | #7,820 | #1,683 |
| 1984 | 47 | — | #6,999 | #1,589 |
| 1983 | 30 | — | — | #1,840 |
| 1982 | 28 | — | #11,090 | #2,229 |
| 1981 | 19 | — | — | #2,526 |
| 1980 | 13 | — | — | #3,324 |
| 1979 | 11 | — | — | #3,659 |
| 1976 | 5 | — | — | #5,947 |