Cognomen Tsasis (Tsasis 
) , all around the world, is a rare surname. The surname Tsasis is characteristic of Greece, where it is quite a rare surname, Canada, where it is an extremely rare surname, and Argentina. In absolute terms, this name is the most popular in Greece, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Tsasis | United States, Canada, Greece, Argentina |
| peter tsasis researcher |
|