Most Popular Names Portugal 2021
| Description: | Most popular names for female newborns in Portugal 2021 |
| Source: | Instituto dos Registos e do Notariado (IRN) / Portuguese Institute of Registries and Notaries |
| Series: | Portugal |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Constança (new at 18) |
| Largest rises: | Madalena +4 (now at 14), Ana +2 (now at 13) |
| Largest falls: | Clara -4 (now at 17), Camila -3 (now at 16) |
| Rank | Name | +/- | Graph |
|---|---|---|---|
| 1 | Maria | Graph | |
| 2 | Leonor | Graph | |
| 3 | Matilde | Graph | |
| 4 | Alice |  1 | Graph |
| 5 | Carolina |  1 | Graph |
| 6 | Benedita | Graph | |
| 7 | Beatriz | Graph | |
| 8 | Francisca | 1 | Graph |
| 9 | Mariana | 1 | Graph |
| 10 | Laura | 2 | Graph |
| 11 | Margarida | Graph | |
| 12 | Sofia | 2 | Graph |
| 13 | Ana | 2 | Graph |
| 14 | Madalena | 4 | Graph |
| 15 | Inês | 1 | Graph |
| 16 | Camila | 3 | Graph |
| 17 | Clara | 4 | Graph |
| 18 | Constança | 3 | Graph |
| 19 | Lara | 2 | Graph |
| 20 | Diana | 1 | Graph |