| Name | Meaning | Gender | Origin |
|---|
| Osman | Godly protection.
| Male | Arabic |
| Otto Bagman | Ludo's brother.
| Male | |
| Owen | Young fighter
| Male | Welsh |
| Oxford | From the ox ford
| Male | English |
| Pacific | tranquil | Male | |
| Paddington | | Male | |
| Paddy | Latin, noble, patrician | Male | Irish |
| Paisley | church, cemetery | Female | Scottish |
| Paloma | Dove
| Female | Spanish |
| Panther | A black leopard | Male | |
| Pasha | small | Male | Russian |
| Patrick | Patrician: noble. Romans society was divided into plebeians: (commoners) and patricians: (aristocrats). Saint Patrick - patron saint of Ireland.
| Male | Latin |
| Patsy | From Patricia - Well born maiden | Male | English |
| Patty | patrician | Female | English |
| Pazzo | | Unisex | Hebrew |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Peaches | Red, yellow skinned fleshy fruit | Female | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Peekaboo | | Male | |
| Peeper | | Male | Hebrew |
| Peggy | pearl | Female | English |
| Penny | Greek, weaver | Female | English |
| Persephone | The daughter of Demeter and Zeus who was abducted by Hades but rescued by her mother and thereafter spent six months of the year on earth and six months in the underworld.
| Female | Greek |
| Pete | A rock. Form of Peter.
| Male | English |