Astou is a very rare girls' name that peaked in 2004 and has grown less common since.
Astou is a girl name. In 2025 it ranked #13,392 for girl births in the United States (and #22,320 across all names), given to 6 babies. Astou first appears in 1994 and peaked in 2004 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 6 | 6 | #13,392 |
| 2024 | 12 | 12 | #8,511 |
| 2022 | 10 | 10 | #9,765 |
| 2019 | 7 | 7 | #12,619 |
| 2018 | 5 | 5 | #15,985 |
| 2017 | 5 | 5 | #16,198 |
| 2016 | 8 | 8 | #11,922 |
| 2011 | 5 | 5 | #17,089 |
| 2009 | 9 | 9 | #11,575 |
| 2008 | 11 | 11 | #10,173 |
| 2005 | 6 | 6 | #14,722 |
| 2004 | 12 | 12 | #8,788 |
| 2003 | 7 | 7 | #12,575 |
| 2001 | 8 | 8 | #11,124 |
| 1999 | 6 | 6 | #12,874 |
| 1994 | 5 | — | #13,650 |