| 421. | NOY | From Hebrew name Nokha that comes from Bible (Noah) and means "rest", "pause". It can be met in many Christian nations, especially among clergymen. This name is out of use now. |
| 422. | NSHAN | From Arm. nshan "famous", "prominent". It is in use since XVIII c. till now. The corresponding surname is Nshanyan. |
| 423. | NUBAR | From Persian navbar (nubar) "new fruit". In Western Arm it is considered a male name, in Eastern - a female name. The corresponding surname is Nubaryan. |
| 424. | NVER (Nuer) | From Armenian nver "present" which corresponds to Armenian Pargev. It is in use now. |
| 425. | OGSEN(Oxentios) | From Latin name Auxentios which is used since IV c. till now (especially in Pols). |
| 426. | OHAN | Is the short form of the name Hovhannes or Hovhan (Yovhan), which is used independently. The corresponding surname is Ohanyan. |
| 427. | OHANJAN | From the name Ohan and Persian jan "soul". It was common in XIX c. Now only the surname Ohanjanyan is met. |
| 428. | OLEG | From Old Scandinavian helg "light", "sunny", "bright" which came through Russian (Oleg). The female variant of this name is Olga. |
| 429. | OTAR | From Turkish otar "pasture" i.e. "shepherd" which was used till XIX c. In Georgia it is still in use. The corresponding surname is Otaryan. |
| 430. | PANDUKHT | From Armenian pandukht "stranger" which is also a female name. |