| Name | M/F | Meaning |
|---|---|---|
| Oda | ![]() |
Meaning : Used in : Armenian, Japanese, French, German, Norse, Swedish, British, English, Australian, Hebrew, Danish, Dutch |
| Ohan | ![]() |
Meaning : Used in : Armenian, Japanese |
| Oksen | ![]() |
Meaning : Used in : Armenian |
| Onnig | ![]() |
Meaning : Used in : Armenian |
| Oshagan | ![]() |
Meaning : Used in : Armenian |
| Oshin | ![]() |
Meaning : Used in : Armenian, Australian, Japanese |