Family name Žemlja (Semmel 
, Žemlja 
) , around the world, is quite a rare cognomen. The surname Žemlja is characteristic of Estonia, where it is quite a rare surname, Germany, where it is a rare surname, and Finland. Measured by absolute frequency, it is the most numerous in Germany, the United States, and France. Very seldom, Žemlja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semmel | Germany, Estonia, Australia, United States, France |
| Žemlja | Croatia |
| jožef žemlja SI (b. 1805) |
|
|
|
anica žemlja SI (b. 1875) |
|