Most Popular Names Puerto Rico 2021
| Description: | Most popular names for male newborns in Puerto Rico 2021 |
| Source: | SSA (Social Security Administration), USA |
| Series: | Puerto Rico |
| Following list: | 2022 |
| Previous list: | 2020 |
| Highest new entries: | Luis (new at 16), Carlos (new at 17), Matteo (new at 20) |
| Largest rises: | Jacob +5 (now at 15), Noah +4 (now at 4), Diego +4 (now at 14), Adrián +3 (now at 8), Ángel +2 (now at 11) |
| Largest falls: | Nicolás -6 (now at 20), Elian -4 (now at 19), Matías -3 (now at 13), Ian -3 (now at 9), Dylan -2 (now at 6) |
| Rank | Name | +/- | Graph |
|---|---|---|---|
| 1 | Liam | Graph | |
| 2 | Thiago |  1 | Graph |
| 3 | Sebastián |  1 | Graph |
| 4 | Noah | 4 | Graph |
| 5 | Mateo | Graph | |
| 6 | Dylan | 2 | Graph |
| 7 | Lucas | Graph | |
| 8 | Adrián | 3 | Graph |
| 9 | Ian | 3 | Graph |
| 10 | Jayden | 1 | Graph |
| 11 | Ángel | 2 | Graph |
| 12 | Ethan | Graph | |
| 13 | Matías | 3 | Graph |
| 14 | Diego | 4 | Graph |
| 15 | Jacob | 5 | Graph |
| 16 | Luis |  | Graph |
| 17 | Carlos | | Graph |
| 18 | Fabián | 2 | Graph |
| 19 | Elian | 4 | Graph |
| 20 | Matteo | | Graph |
| 20 | Nicolás | 6 | Graph |