Worldwide, Тарья (Tarja 
, Тарья 
) is quite a rare unisex first name. The first name Тарья is characteristic of Saint Lucia, where it is quite a common female name, Finland, and Sweden, where it is quite a rare girly name. In absolute terms, it is commonest in Finland, Indonesia, and Sweden. Very seldom, Тарья is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tarja | Sweden, Indonesia, Finland, United States, Albania |
| Тарья | Ukraine |