| Description: | Most popular names for female newborns in the most populous Australian state of New South Wales 2021 |
| Source: | NSW Registry of Births Deaths & Marriages |
| Series: | Australia/NSW |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Leah (new at 81), Riley (new at 87), Pippa (new at 87), Nora (new at 89), Valentina (new at 90) |
| Largest rises: | Daisy +32 (now at 35), Maya +24 (now at 28), Luna +22 (now at 33), Maeve +17 (now at 78), Olive +17 (now at 61) |
| Largest falls: | Jasmine -33 (now at 81), Hallie -24 (now at 94), Sarah -24 (now at 96), Elizabeth -23 (now at 81), Molly -18 (now at 100) |
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