Family name Τάτσης (Tatsis 
, Τάτσης ) , around the globe, is quite a rare surname. The family name Τάτσης is habitual in Greece, where it is quite a common surname, Australia, where it is a rare surname, and Belgium. In absolute terms, it most frequently occurs in Greece, the United States, and Germany. Much less frequently, Τάτσης is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatsis | Canada, United States, Germany, Greece, Australia |
| Τάτσης | Greece |
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τάτσης μαγγίνας Greek politician and diplomat, GR (b. 1792) |
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| τάτσης αποστολίδης Greek violin player, GR (b. 1928) |
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| δημήτριος τάτσης GR (b. 1957) |
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| γιάννης τάτσης Greek former footballer and coach, GR (b. 1972) |
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| αλέκος τάτσης Greek footballer, GR (b. 1979) |
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| γιάννης τάτσης Greek actor, GR |
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| ορέστης τάτσης Greek assistant director, GR |
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