| Gender | Names | Meaning | Origin |
|---|---|---|---|
| Boy | Oswald | Name of a king. |
Anglo |
| Boy | Oswald | Divine power. |
Teutonic |
| Boy | Oswald | Divine power. |
English |
| Boy | Oswaldo | Divine power. |
Teutonic |
| Boy | Oswallt | Welsh form of Oswald ‘strength from God’. |
Welsh |
| Boy | Osweald | Divinely powerful. |
English |
| Boy | Oswell | Divinely powerful. |
English |
| Boy | Oswin | Divine friend |
Anglo |
| Boy | Oswin | Divine friend; God’s friend. |
English |
| Boy | Oswin | God’s friend. |
Scandinavian |
| Boy | Oswine | Name of a king. |
Anglo |
| Boy | Oswiu | Name of a king. |
Anglo |
| Boy | Oswy | Ox. |
Anglo |
| Boy | Oszkar | Hungarian form of Oscar ‘leaping warrior’. |
Hungarian |
| Boy | Ota | Rich. |
Teutonic |
| Boy | Otaktay | Kills many (Sioux). |
Native American |
| Boy | Otave | N/A |
Indian |
| Girl | Otha | Little wealthy one. |
Anglo |
| Boy | Othello | ‘The Tragedy of Othello, Moor of Venice’ Othello, the Moor, general of the Venetian forces. |
Shakespearean |
| Girl | Othili | Little wealthy one. |
Anglo |
| Boy | Othin | God of the sky. |
Norse |
| Boy | Othmar | Happy fame. |
Teutonic |
| Boy | Othniel | strength of God |
Hebrew |
| Boy | Otik | Wealthy. |
Czechoslovakian |
| Boy | Otik | Rich. |
Teutonic |
| Boy | Otis | Keen of hearing. |
Greek |
| Girl | Otka | Lucky. |
Czechoslovakian |
| Boy | Otniel | God is my strength |
Hebrew |
| Boy | Oto | Rich. |
Teutonic |
| Boy | Otoahhastis | Tall bull (Cheyenne). |
Native American |
| Boy | Otoahnacto | Bull bear (Cheyenne). |
Native American |
| Boy | Otokars | Rich. |
Teutonic |
| Boy | Otomars | Rich. |
Teutonic |
| Boy | Otoniel | God is my strength |
Hebrew |
| Boy | Otos | Keen of hearing. |
Greek |
| Girl | Otrera | Mother of the Amazons. |
Latin |
| Boy | Ottah | Third born. |
Egyptian |
| Boy | Ottakoothan | Poet |
Indian |
| Boy | Ottar | Fighter. |
Norse |
| Girl | Ottavia | Born eighth. |
Italian |
| Girl | Ottilie | Little wealthy one. |
Anglo |
| Boy | Otto | Wealthy. |
Swedish |
| Boy | Otto | Wealthy. |
Teutonic |
| Boy | Ottoway | Lucky in war. |
Teutonic |
| Boy | Otus | Keen of hearing. |
Greek |
| Boy | Otway | Lucky in war. |
Teutonic |
| Boy | Oubastet | A cat. |
Egyptian |
| Boy | Oudichya | N/A |
Indian |
| Boy | Oudumber | Vishnu |
Indian |
| Boy | Ouray | Arrow. |
Native American |