Family name Тассис (Tassis 
, Тассис 
) , in the world, is quite a rare last name. The last name Тассис is characteristic of Greece, where it is quite a rare surname, Austria, where it is a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in Greece, Brazil, and France. Much less frequently, Тассис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tassis | Germany, Italy, Greece, France, Brazil |
| Тассис | Russia |