Family name Monica Carolina (Monica Carolina 
) , throughout the world, is a rare cognomen. The surname Monica Carolina is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare surname. More prevalently, Monica Carolina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monica Carolina | Chile, Peru, Costa Rica, Ecuador, Spain |
Soto, Morales, Sanchez, Salazar, Salinas, Alvarez, Aravena, Caceres, Rosales, Elgueta, Fuentes, Oyarzun, Zuñiga, Castillo, Gonzalez, Espinoza, Figueroa, Sepulveda, Schroff Machado, Rodriguez, Gutierrez, Fernandez, Ortega, Flores, Vargas, Torres, Ruiz, Diaz, Toro, Vega, Isla, Silva, Avila, Bravo, Pardo, Perez, Valenzuela, Pinto, Reyes, Gomez, Tapia, Vidal, Muñoz, Castro, Rivera, Garcia, Guzman, Lizana, Rojas, and Galleguillos