| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ÓEngus | - | Ancient Irish, Irish Mythology | ||
| ÓLafur | - | Icelandic | ||
| ÓLavur | - | Faroese | ||
| ÓScar | OS-kahr (Spanish) | Spanish, Portuguese | ||
| ÓSkar | - | Icelandic | ||
| ÒScar | - | Catalan | ||
| ØIvind | - | Norwegian | ||
| ØRjan | UUR-yahn | Norwegian | ||
| ØYdis | - | Norwegian | ||
| ØYstein | - | Norwegian | ||
| ØYvind | - | Norwegian | ||
| ÖDÖN | - | Hungarian | ||
| ÖDi | - | Hungarian | ||
| &Thorn;ÓR | - | Icelandic | ||
| &Thorn;ÓRa | - | Ancient Scandinavian, Icelandic |