| Name | Meaning | Gender | Origin |
|---|
| Noah | Comfort
| Male | Hebrew |
| Oliver | The olive tree. The biblical olive tree symbolizes fruitfulness and beauty and dignity. Extending an olive branch signifies an offer of peace.
| Male | Latin |
| Omar | first son, disciple; gifted speaker; famous | Male | Arabic |
| Orson | Little bear
| Male | Latin |
| Owen | Young fighter
| Male | Welsh |
| Pablo | Little. Form of Paul.
| Male | Spanish |
| Pedro | A Rock | Male | Spanish |
| Pete | A rock. Form of Peter.
| Male | English |
| Peter | A rock. Peter the biblical fisherman and apostle had impulsive nature and rocklike faith. In Catholic tradition he is the first pope.
| Male | Greek |
| Petie | | Unisex | Hebrew |
| Pierce | rock | Male | English |
| Pierce | rock | Unisex | |
| Pietro | Greek, rock | Male | Italian |
| Ralph | Red wolf
| Male | English |
| Ralph | Red wolf
| Male | English |
| Ray | kingly | Male | English |
| Ricardo | dominant ruler | Male | Portuguese |
| Richard | powerful ruler; brave one | Male | |
| Rick | aka Richard, Dick and Little Man | Male | English |
| Ricky | dominant or peaceful ruler | Male | English |
| Ripley | after the novel and the movie The Talented Mr. Ripley | Male | English |
| River | | Male | |
| Robbie | Abbreviation of Robert Famed: bright: shining.
| Male | |
| Robby | Abbreviation of Robert Famed: bright: shining.
| Male | |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |