| 1. | OFELYA(Ofelia) | Is a European name, which came by means of literature in XIX c. It is in use now as well as the short form Ofik. |
| 2. | OGHER | From Armenian ogh "ear-ring" + er plurality suffix. It is in use since XIX c. till now esp. in villages. We also have the diminutive form Oghik that is often used independently. |
| 3. | OHANNA | Is the female variant of the Armenian name Ohan. In old manuscripts the form Yovhannay is met. It is in use now. |
| 4. | OKTA | Is the short form of the Russian name Oktyabrina, one of "Red Calendar" names which appeared after October Revolution. The name Oktyabrina is a rare name but the form Okta is spread. |
| 5. | OKTYABRINA | Is a spread Russian name, which is in use since 1920s. It comes from the month name (oktyabr "October") which symbolizes Great October Revolution. |
| 6. | OLGA | From Russian name Olga which comes from Old Scandinavian helge "sunny", "light", "bright". It is in use in Armenia since XIX c. also in the diminutive form Olichka. It is the female variant of… 0.2 KB |
| 7. | OLIMPIA | From Greek Olumpia mount name (in old Greek mythology it was the place of residence of gods and goddesses). In Armenia we also have the forms Voghompi, Voghimpi. |
| 8. | OLIMPIADA | From Greek Olumpos mount name which is also used as a name. In Armenia it is in use since IV c. in the form Voghimpiaday. It is in use now. |
| 9. | OVSANNA(Vovsanna) | Is the female variant of the Hebrew name Hošea (Ovseh, Vovseh) meaning "pray-song" which came from Bible. Now the form Osanna is more common. The short form is Osan. |
