Most Popular Names Brazil official 2021
| Description: | Most popular names for male newborns in Brazil 2021, official |
| Source: | Registro Civil |
| Series: | Brazil official |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Noah (new at 12), Ravi (new at 14), Anthony (new at 19) |
| Largest rises: | Isaac +5 (now at 18), Gael +4 (now at 3) |
| Largest falls: | Guilherme -5 (now at 22), Rafael -5 (now at 24), Pedro Henrique -4 (now at 20), Matheus -4 (now at 25), João Pedro -3 (now at 23) |
| Rank | Name | +/- | Graph |
|---|---|---|---|
| 1 | Miguel | Graph | |
| 2 | Arthur | Graph | |
| 3 | Gael |  4 | Graph |
| 4 | Heitor |  1 | Graph |
| 5 | Theo | 1 | Graph |
| 6 | Davi | 1 | Graph |
| 7 | Gabriel | 1 | Graph |
| 8 | Bernardo | Graph | |
| 9 | Samuel | Graph | |
| 10 | João Miguel | Graph | |
| 11 | Enzo Gabriel | Graph | |
| 12 | Noah |  | Graph |
| 13 | Pedro | 1 | Graph |
| 14 | Ravi | | Graph |
| 15 | Lorenzo | 2 | Graph |
| 16 | Benício | 1 | Graph |
| 17 | Lucas | 3 | Graph |
| 18 | Isaac | 5 | Graph |
| 19 | Anthony | | Graph |
| 20 | Pedro Henrique | 4 | Graph |
| 21 | Joaquim | 3 | Graph |
| 22 | Guilherme | 5 | Graph |
| 23 | João Pedro | 3 | Graph |
| 24 | Rafael | 5 | Graph |
| 25 | Matheus | 4 | Graph |
| 26 | Henrique | Graph |