Last name Thenia (Thenia 
) , in all the world, is a rare surname. The cognomen Thenia is characteristic of Algeria, where it is a rare surname, Indonesia, and Malaysia, where it is an extremely rare surname. Very seldom, Thenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thenia | Greece, United States, Indonesia, Algeria, South Africa |