| Description: | Most popular names for male newborns in Portugal 2018 |
| Source: | Instituto dos Registos e do Notariado (IRN) / Portuguese Institute of Registries and Notaries |
| Series: | Portugal |
| Following list: | 2019 |
| Previous list: | 2017 |
| Highest new entries: | Eric (new at 72), Mateo (new at 72), Dylan (new at 78), Muhammad (new at 86), Raul (new at 87) |
| Largest rises: | Vítor +23 (now at 66), William +17 (now at 61), Caio +12 (now at 82), César +11 (now at 89), Benjamim +11 (now at 45) |
| Largest falls: | Jonathan -18 (now at 99), Sérgio -15 (now at 98), Ivo -15 (now at 100), Micael -13 (now at 87), Fábio -12 (now at 78) |
2
2