| Name | Meaning | Gender | Origin |
|---|
| Norbert | blond hero | Male | |
| Olimpia | Mountain Of The Gods | Unisex | Italian |
| 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 |
| Oscar | God's spear.
| Male | English |
| Otto | Born eighth or wealthy
| Male | |
| Pal | A friend, buddy, chum. | Unisex | |
| 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 |
| Rafael | God has healed.
| Male | Spanish |
| Richard | powerful ruler; brave one | Male | |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Roland | from the famous land | Male | |
| Roman | citizen of Rome | Male | Latin |
| Rozalia | Rose | Unisex | Hungarian |
| Rudolf | | Unisex | |
| Rudolph | wolf | Male | |
| Sami | All hearing
| Male | English |
| Samuel | his name is God | Male | Hebrew |
| Sasa | after the DJ from Hong Kong | Unisex | |
| Simon | he who hears | Male | Hebrew |
| Solt | | Unisex | Hebrew |
| Stephen | crown | Male | Greek |
| Tabor | In the bible Mt. Tabor is a landmark mountain near Nazareth.
| Male | Hebrew |
| Theodore | gift of God | Male | Greek |
| Todor | Gift Of God | Unisex | Slavic |
| Valentine | A person singled out as one's sweetheart | Male | Latin |