Surname Мастаева (Мастаева 
) , worldwide, is a very rare family name. The surname Мастаева is habitual in Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname. Very seldom, Мастаева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Мастаева | Kazakhstan, Russia |