Surname Ierta (Ierta 
) , in the world, is a very rare family name. The surname Ierta is characteristic of Liechtenstein, where it is quite a common surname, the United States, where it is a very rare surname, and Italy, where it is an extremely rare surname. Also, Ierta is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ierta | Italy, Liechtenstein, Brazil, United States |