Around the world, Marcela Carolina (Marcela Carolina 
) is quite a rare female forename. The forename Marcela Carolina is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare girly name, Costa Rica, where it is a rare female name, and Peru, where it is a very rare girly name. In absolute terms, it is commonest in Latin America and the Caribbean, particularly Chile, Peru, and Argentina. Much less frequently, Marcela Carolina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marcela Carolina | Argentina, Peru, Ecuador, Chile, Costa Rica |