Throughout the world, Деменьтева (Деменьтева 
, Dementeva 
) is an extremely rare unknown gender first name. Much more prevalently, Деменьтева is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Деменьтева | Russia, Kyrgyzstan |
| Dementeva | Norway, United States, Germany, Russia, Ukraine |