Last name Thiez (Thiez 
) , globally, is an extremely rare family name. The last name Thiez is habitual in France, where it is a very rare surname, Brazil, where it is an extremely rare surname, and the United States. Predominantly, Thiez is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thiez | France, United States, Democratic Republic of the Congo, Brazil |