| Description: | Most popular names for male newborns in Brazil 2021 |
| Source: | Inofficial list, done by BabyCenter Brasil, based on the names of 325'000 newborns registered on their website |
| Series: | Brazil |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Apollo (new at 79), Liam (new at 88), Pedro Miguel (new at 93), Micael (new at 94), Dominic (new at 96) |
| Largest rises: | Henry +24 (now at 28), Matteo +18 (now at 41), José +14 (now at 54), Mathias +13 (now at 65), Thomas +12 (now at 51) |
| Largest falls: | Theodoro -11 (now at 66), Valentim -10 (now at 61), João Vítor -10 (now at 76), Luiz Miguel -9 (now at 74), Eduardo -8 (now at 49) |
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