In all the world, Beljaeva (Беляева 
, Beljaeva 
) is a very rare epicene forename. The first name Beljaeva is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare unisex name. Much more frequently, Beljaeva is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Беляева | Moldova, Kazakhstan, Belarus, Kyrgyzstan, Russia |
| Beljaeva | Spain, Belarus, Estonia, Germany, Russia |