Popular and traditional American boy names that start with “O”, with meanings and origin. 11 names.
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Oakley | Oak meadow | 👦 Boy | English |
| Obed | Servant (of God) | 👦 Boy | Hebrew |
| Octavio | Eighth | 👦 Boy | Spanish |
| Oliver | Olive tree | 👦 Boy | International |
| Omar | Long-lived; Flourishing | 👦 Boy | Arabic |
| Oscar | Divine spear; Friend of deer | 👦 Boy | International |
| Osvaldo | Power of God | 👦 Boy | Spanish |
| Oswaldo | Power of God | 👦 Boy | Spanish |
| Otis | Wealth; Son of Otto | 👦 Boy | English |
| Ovidio | Shepherd | 👦 Boy | Spanish |
| Owen | Well-born; Noble | 👦 Boy | Welsh |