Cognomen Karem Johanna (Karem Johanna 
) , worldwide, is an extremely rare family name. The last name Karem Johanna is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Karem Johanna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karem Johanna | Chile, Peru, Ecuador |