Family name Maria Karolina (Maria Karolina 
) , throughout the world, is an extremely rare cognomen. The surname Maria Karolina is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Maria Karolina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maria Karolina | Costa Rica, Ecuador, Sweden, Colombia, Poland |