Family name Thério (Thério 
) , worldwide, is an extremely rare cognomen. The family name Thério is characteristic of Northern America, particularly Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thério | Canada |
| adrien thério Canadian writer (1925-2003), CA (b. 1925) |
|
|
| marie-jo thério Canadian actress, CA (b. 1965) |
|