| Pelagio | Man | Spanish Names |
| Peña | Man | Spanish Names |
| Peregrin | Unisex | Spanish Names |
| Perez | Man | Spanish Names |
| Perla | Woman | Spanish Names |
| Peso | Man | Spanish Names |
| Pilar | Woman | Spanish Names |
| Piñeda | Unisex | Spanish Names |
| Plata | Woman | Spanish Names |
| Ponce | Man | Spanish Names |
| Portillo | Unisex | Spanish Names |
| Práxedes | Unisex | Spanish Names |
| Preciosa | Woman | Spanish Names |
| Presencia | Woman | Spanish Names |
| Presta | Woman | Spanish Names |
| Primavera | Woman | Spanish Names |
| Princesa | Woman | Spanish Names |