| Description: | Most popular names for female newborns in Brazil 2018 | 
| Source: | Inofficial list, done by BabyCenter Brasil, based on the names of 501'000 newborns registered on their website | 
| Series: | Brazil | 
| Following list: | 2019 | 
| Previous list: | 2017 | 
| Highest new entries: | Melina (new at 94),  Bella (new at 96),  Melinda (new at 99),  Pérola (new at 100) | 
| Largest rises: | Aurora +19 (now at 70),  Maria Vitória +15 (now at 55),  Antonella +14 (now at 22),  Maria Helena +14 (now at 47),  Mirella +12 (now at 52) | 
| Largest falls: | Ana -15 (now at 93),  Ana Sophia -12 (now at 79),  Nicole -12 (now at 53),  Maria -9 (now at 58),  Yasmin -9 (now at 38) |