Cognomen Tatsou (Tatsou 
, Тацу 
) , around the globe, is a very rare last name. The family name Tatsou is characteristic of Greece, where it is a rare surname, and Russia, where it is a very rare surname. Very seldom, Tatsou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatsou | Greece, United States, Philippines |
| Тацу | Russia |