In the world, Karlena (Karlena 
) is a rare girly forename. The forename Karlena is characteristic of Australia, where it is a very rare female name, the United States, where it is a very rare primarily female, but very infrequently boy's name, and Brazil, where it is a very rare girly name. In absolute terms, it is the most numerous in the United States, Indonesia, and Brazil. Much less frequently, Karlena is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Karlena | Australia, Venezuela, Brazil, United States, Indonesia |