Family name Aathanasios (Aathanasios 
) , all around the world, is a very rare last name. The surname Aathanasios is habitual in Southern Europe, particularly Greece, where it is a rare surname. Likewise, Aathanasios is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aathanasios | Greece |