| Name | M/F | Meaning |
|---|---|---|
| Obeko | ![]() |
Meaning : Used in : Basque |
| Odol | ![]() |
Meaning : Used in : Basque |
| Oidor | ![]() |
Meaning : Used in : Basque |
| Oier | ![]() |
Meaning : Used in : Basque |
| Oihan | ![]() |
Meaning : Used in : Basque |
| Oihenarte | ![]() |
Meaning : Used in : Basque |
| Oinatz | ![]() |
Meaning : Used in : Basque |
| Oiñaz | ![]() |
Meaning : Used in : Basque |
| Olentzaro | ![]() |
Meaning : Used in : Basque |
| Onbera | ![]() |
Meaning : Used in : Basque |
| Ongile | ![]() |
Meaning : Used in : Basque |
| Opilano | ![]() |
Meaning : Used in : Basque |
| Orain | ![]() |
Meaning : In Jamaican meaning is : Most celebrated Used in : Japanese, Basque, French, Jamaican |
| Orixe | ![]() |
Meaning : Used in : Basque |
| Orkatz | ![]() |
Meaning : Used in : Basque |
| Oroitz | ![]() |
Meaning : Used in : Basque |
| Orti | ![]() |
Meaning : Used in : Basque |
| Ortze | ![]() |
Meaning : Used in : Basque |
| Ortzi | ![]() |
Meaning : Used in : Basque |
| Orzaize | ![]() |
Meaning : Used in : Basque |
| Osasun | ![]() |
Meaning : Used in : Basque |
| Oskarbi | ![]() |
Meaning : Used in : Basque |
| Oskitz | ![]() |
Meaning : Used in : Basque |
| Osoitz | ![]() |
Meaning : Used in : Basque |
| Ospetsu | ![]() |
Meaning : Used in : Basque |
| Ospin | ![]() |
Meaning : Used in : Basque |
| Ostadar | ![]() |
Meaning : Used in : Basque |
| Ostargi | ![]() |
Meaning : Used in : Basque |
| Ostots | ![]() |
Meaning : Used in : Basque |
| Otsando | ![]() |
Meaning : Used in : Basque |
| Otsoa | ![]() |
Meaning : Used in : Basque |
| Otsoko | ![]() |
Meaning : Used in : Basque |
| Oxarra | ![]() |
Meaning : Used in : Basque |
| Oxel | ![]() |
Meaning : Used in : Basque |