| Orlin | Renowned in the land. Form of Roland. |
| Oro | A name meaning precious gold metal. |
| Orquidea | Spanish name for the orchid. |
| Orquidia | A variant meaning the orchid. |
| Osana | A name of Latin origin meaning health. |
| Osane | A Basque name meaning the holy savior. |
| Ovidio | A name meaning a shepherd of sheep. |
| Pabla | A name meaning small or humble. |
| Pablo | Little. Form of Paul. |
| Pacho | A name meaning free or frank. |
| Pachua | A name meaning a small child. |
| Paciencia | A name meaning to be patient. |
| Pacifico | A name meaning the peaceful. |
| Pacorro | A variant of the name Francisco. |
| Palba | A name meaning to protect. |
| Palban | One who is a protector. |
| Palben | A name of unknown origin and meaning. |
| Palma | Derived from the palm tree. |
| Palmiera | One who dwells near palms. |
| Palmira | From the city of palms |
| Paloma | A Dove; Dovelike; White dove |
| Pancho | Nickname for Francisco and Frank. |
| Paquita | A Spanish name meaning free woman. |
| Pascual | Born on the day of the Passover |
| Pasqual | Born during the holy Easter. |
| Pastora | A female shepherd of sheep. |
| Patricia | A woman of noble or royal status. |
| Patricio | Patrician: noble. Form of Patrick. |
| Patrido | A name meaning a noble protector. |
| Paulita | A Spanish diminutive of the name Paula. |
| Pedra | A name meaning rock or stone base. |
| Pedro | A rock. Form of Peter. |
| Pepa | A name meaning God will increase |
| Pepe | Spanish form of Joseph He shall add |
| Pepillo | Spanish form of Joseph He shall add |
| Pepita | A small seed or little Joseph. |
| Perfecta | Someone who is entirely flawless. |
| Phelipe | hope origin, espanol |
| Pia | Beloved; Devout; Devout; pious; Italian name; Pious |
| Pilar | It means a pillar of strength. |