Most Popular Names Brazil 2021
| Description: | Most popular names for female newborns in Brazil 2021, official |
| Source: | Registro Civil |
| Series: | Brazil official |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Liz (new at 23), Maria Helena (new at 24) |
| Largest rises: | Maria Alice +14 (now at 4), Maitê +11 (now at 12), Elisa +9 (now at 15), Maria Cecília +4 (now at 8), Cecília +2 (now at 11) |
| Largest falls: | Lorena -7 (now at 17), Isabella -7 (now at 22), Manuela -7 (now at 18), Maria Eduarda -5 (now at 14), Sophia -4 (now at 10) |
| Rank | Name | +/- | Graph |
|---|---|---|---|
| 1 | Helena | Graph | |
| 2 | Alice | Graph | |
| 3 | Laura | Graph | |
| 4 | Maria Alice |  14 | Graph |
| 5 | Valentina |  1 | Graph |
| 6 | Heloísa | 1 | Graph |
| 7 | Maria Clara | Graph | |
| 8 | Maria Cecília | 4 | Graph |
| 9 | Maria Júlia | 1 | Graph |
| 10 | Sophia | 4 | Graph |
| 11 | Cecília | 2 | Graph |
| 12 | Maitê | 11 | Graph |
| 13 | Júlia | 1 | Graph |
| 14 | Maria Eduarda | 5 | Graph |
| 15 | Elisa | 9 | Graph |
| 16 | Maria Luiza | 1 | Graph |
| 17 | Lorena | 7 | Graph |
| 18 | Manuela | 7 | Graph |
| 19 | Lívia | 3 | Graph |
| 20 | Antonella | 1 | Graph |
| 21 | Eloá | 2 | Graph |
| 22 | Isabella | 7 | Graph |
| 23 | Liz |  | Graph |
| 24 | Maria Helena | | Graph |