Family name Tierz (Tierz 
) , around the globe, is a very rare cognomen. The family name Tierz is habitual in Spain, where it is a very rare surname, France, and Argentina, where it is an extremely rare surname. Likewise, Tierz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tierz | France, Argentina, Spain, Brazil |
|
roberto tierz ES (b. 1958) |
|
| pedro mir tierz ES (b. 1953) |
|