Surname Karen Luisa (Karen Luisa 
) , throughout the world, is a very rare cognomen. The cognomen Karen Luisa is habitual in Chile, where it is a rare surname, and Spain, where it is an extremely rare surname. More prevalently, Karen Luisa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karen Luisa | Chile, Peru, Ecuador, Philippines, Spain |